Quinoline derivatives

ABSTRACT

The invention relates to novel 1-pyridin-4-yl urea derivatives and related compounds and their use as active ingredients in the preparation of pharmaceutical compositions. The invention also concerns related aspects including processes for the preparation of the compounds, pharmaceutical compositions containing one or more of those compounds and especially their use as neurohormonal antagonists.

FIELD OF THE INVENTION

The present invention relates to novel 4-(piperidinyl- and pyrrolidinyl-alkyl-ureido)-quinoline derivatives of the general formula 1 and their use as active ingredients in the preparation of pharmaceutical compositions. The invention also concerns related aspects including processes for the preparation of the compounds, pharmaceutical compositions containing one or more compounds of the general formula 1 and especially their use as neurohormonal antagonists.

BACKGROUND OF THE INVENTION

Urotensin II is a cyclic 11-amino acid peptide neurohormone considered to be the most potent vasoconstrictor known, up to 28-fold more potent than endothelin-1. The effects of urotensin II are mediated through activation of a G-protein coupled receptor, the UT receptor, also known as GPR14 or SENR (Ames R S, et al, “Human urotensin-II is a potent vasoconstrictor and agonist for the orphan receptor GPR14” Nature (1999) 401, 282-6. Mori M, Sugo T, Abe M, Shimomura Y, Kurihara M, Kitada C, Kikuchi K, Shintani Y, Kurokawa T, Onda H, Nishimura O, Fujino M. “Urotensin II is the endogenous ligand of a G-protein-coupled orphan receptor, SENR (GPR14)” Biochem. Biophys. Res. Commun. (1999) 265, 123-9. Liu Q, Pong S S, Zeng Z, et al, “Identification of urotensin II as the endogenous ligand for the orphan G-protein-coupled receptor GPR14” Biochem. Biophys. Res. Commun. (1999) 266, 174-178.) Urotensin II and its receptor are conserved across evolutionarily distant species, suggesting an important physiological role for the system (Bern H A, Pearson D, Larson B A, Nishioka R S. “Neurohormones from fish tails: the caudal neurosecretory system. I. Urophysiology and the caudal neurosecretory system of fishes” Recent Prog. Horm. Res. (1985) 41, 533-552). In euryhaline fish, urotensin II has an osmoregulatory role, and in mammals urotensin II exerts potent and complex hemodynamic actions. The response to urotensin II is dependent on the anatomical source and species of the tissue being studied. (Douglas S A, Sulpizio A C, Piercy V, Sarau H M, Ames R S, Aiyar N V, Ohlstein E H, Willette R N. “Differential vasoconstrictor activity of human urotensin-II in vascular tissue isolated from the rat, mouse, dog, pig, marmoset and cynomolgus monkey” Br. J. Pharmacol. (2000) 131, 1262-1274. Douglas, S A, Ashton D J, Sauermelch C F, Coatney R W, Ohistein D H, Ruffolo M R, Ohistein E H, Aiyar N V, Willette R “Human urotensin-II is a potent vasoactive peptide: pharmacological characterization in the rat, mouse, dog and primate” J. Cardiovasc. Pharmacol. (2000) 36, Suppl 1:S163-6).

Like other neurohormones, urotensin II has growth stimulating and profibrotic actions in addition to its vasoactive properties. Urotensin II increases smooth muscle cell proliferation, and stimulates collagen synthesis (Tzandis A, et al, “Urotensin II stimulates collagen synthesis by cardiac fibroblasts and hypertrophic signaling in cardiomyocytes via G(alpha)q- and Ras-dependent pathways” J. Am. Coll. Cardiol. (2001) 37, 164A. Zou Y, Nagai R, and Yamazaki T, “Urotensin II induces hypertrophic responses in cultured cardiomyocytes from neonatal rats” FEBS Lett (2001) 508, 57-60). Urotensin II regulates hormone release (Silvestre R A, et al, “Inhibition of insulin release by urotensin II-a study on the perfused rat pancreas” Horm Metab Res (2001) 33, 379-81). Urotensin II has direct actions on atrial and ventricular myocytes (Russell F D, Molenaar P, and O'Brien D M “Cardiostimulant effects of urotensin-II in human heart in vitro” Br. J. Pharmacol. (2001) 132, 5-9). Urotensin II is produced by cancer cell lines and its receptor is also expressed in these cells. (Takahashi K, et al, “Expression of urotensin II and urotensin II receptor mRNAs in various human tumor cell lines and secretion of urotensin Il-like immunoreactivity by SW-13 adrenocortical carcinoma cells” Peptides (2001) 22, 1175-9). Urotensin II and its receptor are found in spinal cord and brain tissue, and intracerebroventricular infusion of urotensin II into mice induces behavioral changes (Gartlon J, et al, “Central effects of urotensin-II following ICV administration in rats” Psychopharmacology (Berlin) (2001) 155, 426-33).

Dysregulation of urotensin II is associated with human disease. Elevated circulating levels of urotensin II are detected in hypertensive patients, in heart failure patients, and in patients awaiting kidney transplantation (Totsune K, et al, “Role of urotensin II in patients on dialysis” Lancet (2001) 358, 810-1).

Substances with the ability to block the actions of urotensin II are expected to prove useful in the treatment of various diseases. WO-2001/45694, WO-2002/78641, WO-2002/78707, WO-2002/79155, and WO-2002/79188 disclose certain sulfonamides as urotensin II receptor antagonists, and their use to treat diseases associated with a urotensin II imbalance. WO-2001/45700 and WO-2001/45711 disclose certain pyrrolidines or piperidines as urotensin II receptor antagonists and their use to treat diseases associated with a urotensin II imbalance. These derivatives are different from the compounds of the present invention as they do not comprise urea derivatives bearing a 4-pyridinyl-like moiety. WO-2002/047687 discloses certain 2-amino-quinolones as urotensin 11 receptor antagonists and their use to treat diseases associated with a urotensin 11 imbalance. WO-2002/058702 discloses certain 2-amino-quinolines as urotensin II receptor antagonists and their use to treat diseases associated with a urotensin II imbalance. These derivatives are different from the compounds of the present invention as they do not bear a substituted urea function in the 4-position of the quinoline ring. WO-2001/66143 discloses certain 2,3-dihydro-1H-pyrrolo[2,3-b]quinolin-4-ylamine derivatives useful as urotensin II receptor antagonists, WO-2002/00606 discloses certain biphenyl compounds useful as urotensin II receptor antagonists, and WO-2002/02530 also discloses certain compounds useful as urotensin II receptor antagonists.

EP 428434 discloses certain alkylureidopyridines as neurokinin and substance P antagonists. WO-99/21835 discloses certain ureidoquinolines as H+-ATPase and bone resorption inhibitors. WO-01/009088 discloses certain substituted heteroarylureas as inhibitors of the CCR-3 receptor. All of these ureidopyridine derivatives differ in their composition from compounds of the present invention. The present invention comprises N-(cyclic amino alkyl)-N′-pyridin-4-yl urea derivatives which are novel compositions of matter and which are useful as urotensin II receptor antagonists.

DESCRIPTION OF THE INVENTION

The present invention relates to compounds of the general formula 1.

wherein:

Py represents pyridin-4-yl mono-substituted in position 2 with —NR²R³; pyridin-4-yl disubstituted in position 2 with —NR²R³ and in position 6 with lower alkyl or arylalkyl; unsubstituted quinolin-4-yl; quinolin-4-yl mono-substituted in position 2 with lower alkyl; quinolin-4-yl di-substituted in position 2 with lower alkyl and in position 6, 7, or 8 with halogen, lower alkyl, or arylalkyl; 2-hydroxymethyl-quinolin-4-yl; 7-methyl-[1,8]naphthyridin-4-yl; 5,6,7,8-tetrahydro-[1,8]naphthyridin-4-yl; 8-benzyl-5,6,7,8-tetrahydro-[1,8]naphthyridin-4-yl; 8-methyl-5,6,7,8-tetrahydro-[1,8]naphthyridin-4-yl; 2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-4-yl; 1-methyl-2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-4-yl; 1-benzyl-2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-4-yl;

X represents aryl; aryl-O—; arylalkyl-; lower alkyl-SO₂NR²—; aryl-SO₂NR²—; arylalkyl-SO₂NR²—; lower alkyl-CONR²—; aryl-CONR²—; arylalkyl-CONR²—; lower alkyl-NR³CONR²—; aryl-NR³CONR²—; arylalkyl-NR³CONR²—; aryl-CO—; arylalkyl-CO—; lower alkyl-NR²CO—;aryl-NR²CO—; arylalkyl-NR²CO—; or X and Z represent together with the carbon atom to which they are attached an exocyclic double bond which bears an aryl substituent.

Y represents —C(R⁴)(R⁵)(CH₂)_(m)— or —(CH₂)_(m)C(R⁴)(R⁵)—

Z represents hydrogen; in case X represents aryl or arylalkyl, Z represents hydrogen, hydroxyl, carboxyl, aryl-CONR²—, lower alkyl-NR²CO—, aryl-NR²CO— or arylalkyl-NR²CO—;

n represents the numbers 0 or 1;

m represents the numbers 1 or 2;

R¹ represents hydrogen or lower alkyl;

R² and R³ represent independently hydrogen, lower alkyl, or arylalkyl; in case R² and R³ are attached to the same nitrogen atom, R² and R³ together form with the nitrogen to which they are attached, a piperidine, pyrrolidine or morpholine ring;

R⁴ represents hydrogen, lower alkyl, aryl, arylalkyl, or forms together with R⁵ a 3-, 4-, 5-, or 6-membered saturated carbocyclic ring including the carbon atom to which R⁴ and R⁵ are attached as ring atoms;

R⁵ represents hydrogen, methyl, or forms together with R⁴ a 3-, 4-, 5-, or 6-membered saturated carbocyclic ring including the carbon atom to which R⁴ and R⁵ are attached as ring atoms;

and optically pure enantiomers or diastereomers, mixtures of enantiomers or diastereomers, diastereomeric racemates, and mixtures of diastereomeric racemates; as well as their pharmaceutically acceptable salts, solvent complexes, and morphological forms.

In the definitions of the general formula 1 the expression ‘aryl’ means a substituted or unsubstituted aromatic carbocyclic or heterocyclic ring system, consisting of a five- or six-membered aromatic ring, or of a fused five-six or six-six aromatic ring system. Preferred aryl groups are for example 2-furyl; 2-thienyl; phenyl; 2-methylphenyl; 2-biphenyl; 2-methoxyphenyl; 2-phenoxyphenyl; 2-chlorophenyl; 2-bromophenyl; 2-i-propylphenyl; 2-fluorophenyl; 2-methylsulfonylphenyl; 2-cyanophenyl; 2-trifluoromethylphenyl; 3-methylphenyl; 3-biphenyl; 3-phenoxyphenyl; 3-methoxyphenyl; 3-chlorophenyl; 3-bromophenyl; 3-fluorophenyl; 3-cyanophenyl; 3-trifluoromethylphenyl; 3-carboxyphenyl; 4-methylphenyl; 4-ethylphenyl; 4-i-propylphenyl; 4-phenyloxyphenyl; 4-trifluoromethylphenyl; 4-trifluoromethoxyphenyl; 4-phenoxyphenyl; 4-cyanophenyl; 4-hydroxyphenyl; 4-acetylaminophenyl; 4-methanesulfonylphenyl; 4-n-propylphenyl; 4-iso-propylphenyl; 4-tert-butylphenyl; 4-n-pentylphenyl; 4-biphenyl; 4-chlorophenyl; 4-bromophenyl; 4-bromo-2-ethylphenyl; 4-fluorophenyl; 2,4-difluorophenyl; 4-n-butoxyphenyl; 2,6-dimethoxyphenyl; 3,5-bis-trifluoromethylphenyl; 2-pyridyl; 3-pyridyl; 4-pyridyl; 1-naphthyl; 2-naphthyl; 4-(pyrrol-1-yl)phenyl; 4-benzoylphenyl; 5-dimethylaminonaphth-1-yl; 5-chloro-3-methylthiophen-2-yl; 5-chloro-3-methyl-benzo[b]thiophen-2-yl; 3-(phenylsulfonyl)-thiophen-2-yl; 2-(2,2,2-trifluoroacetyl)-1-2,3,4-tetrahydroisoquinolin-7-yl; 4-(3-chloro-2-cyanophenyloxy)phenyl; 2-(5-benzamidomethyl)thiophenyl; 4,5-dichlorothien-2-yl; 5-quinolyl-; 6-quinolyl; 7-quinolyl; 8-quinolyl; (2-acetylamino-4-methyl)thiazol-5-yl; or 1-methyl imidazol-4-yl.

In the definitions of the general formula 1 the expression ‘lower alkyl’ means a saturated straight chain, branched chain or cyclic substituent consisting of from one to eight carbons, comprising methyl, ethyl, n-propyl, 3-allyl, iso-propyl, n-butyl, iso-butyl, n-pentyl, n-hexyl, n-octyl, cyclopropyl, cyclopentyl, cyclohexyl, cyclopropylmethyl and the like. Preferred lower alkyl groups are methyl, ethyl, and n-propyl.

In the definitions of the general formula 1 the expression ‘arylalkyl’ means a C1 to C3 group bearing an aryl group, where ‘aryl’ has the meaning given above.

The present invention encompasses pharmaceutically acceptable salts of compounds of the general formula 1. This encompasses either salts with inorganic acids or organic acids like hydrohalogenic acids, e.g. hydrochloric or hydrobromic acid, sulfuric acid, phosphoric acid, nitric acid, citric acid, formic acid, acetic acid, maleic acid, tartaric acid, methylsulfonic acid, p-tolylsulfonic acid and the like or in case the compound of formula 1 is acidic in nature with an inorganic base like an alkali or earth alkali base, e.g. sodium, potassium, or calcium salts, etc. The compounds of general formula 1 can also be present in form of zwitterions.

The present invention encompasses different solvation complexes of compounds of general formula 1. The salvation can be effected in the course of the manufacturing process or can take place separately, e.g. as a consequence of hygroscopic properties of an initially anhydrous compound of general formula 1.

The present invention further encompasses different morphological forms, e.g. crystalline forms, of compounds of general formula 1 and their salts and salvation complexes. Particular heteromorphs may exhibit different dissolution properties, stability profiles, and the like, and are all included in the scope of the present invention.

The compounds of the general formula 1 might have one or more asymmetric carbon atoms and may be prepared in form of optically pure enantiomers or diastereomers, mixtures of enantiomers or diastereomers, diastereomeric racemates, and mixtures of diastereomeric racemates. The present invention encompasses all these forms. They are prepared by stereoselective synthesis, or by separation of mixtures in a manner known per se, i.e. by column chromatography, thin layer chromatography, HPLC, crystallization, etc.

Preferred compounds of the invention are compounds of the general formula 2.

wherein:

Py represents 2-(benzyl-methyl-amino)-pyridin-4-yl; 2-(benzyl-methyl-amino)-6-methyl-pyridin-4-yl; 2-(benzylamino)-pyridin-4-yl; 2-benzylamino-6-methyl-pyridin-4-yl; 2-(dimethylamino)-pyridin-4-yl; 2-(dimethylamino)-6-methyl-pyridin-4-yl; 2-(methylamino)-pyridin-4-yl; 2-(methylamino)-methyl-pyridin-4-yl; 2-aminopyridin-4-yl; 2-amino-6-methyl-pyridin-4-yl; 2-(pyrrolidin-1-yl)-pyridin-4-yl; quinol-4-yl; 2-methylquinol-4-yl; 2-cyclopropylquinol-4-yl; 8-benzyl-2-methyl-quinol-4-yl; [1,8]naphthyridin-4-yl; 7-methyl-[1,8]naphthyridin-4-yl; 5,6,7,8-tetrahydro-[1,8]naphthyridin-4-yl; 8-benzyl-5,6,7,8-tetrahydro-[1, 8]naphthyridin-4-yl; 8-methyl-5,6,7,8-tetrahydro-[1,8]naphthyridin-4-yl; 2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-4-yl; 1-methyl-2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-4-yl; 1-benzyl-2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-4-yl;

X represents aryl; aryl-O—; arylalkyl-; lower alkyl-SO₂NR²—; aryl-SO₂NR²—; arylalkyl-SO₂NR²—; lower alkyl-CONR²—; aryl-CONR²—; arylalkyl-CONR²—; lower alkyl-NR³CONR²—; aryl-NR³CONR²—; arylalkyl-NR³CONR²—; aryl-CO—; arylalkyl-CO—; lower alkyl-NR²CO—;aryl-N R²CO—; arylalkyl-NR²CO—;

Z represents hydrogen; in case X represents aryl or arylalkyl, Z represents hydrogen or hydroxyl;

n represents the numbers 0 or 1;

m represents the numbers 1 or 2;

R¹ represents hydrogen or lower alkyl;

R² and R³ represent independently hydrogen, lower alkyl, or arylalkyl;

Preferred compounds of general formula 1 are the compounds of general formula 3:

wherein n, Y and Py have the meaning given in general formula 1.

Preferred compounds of general formula 1 are the compounds of general formula 4:

wherein n and Py has the meaning given in general formula 2.

Preferred compounds of general formula 1 are the compounds of general formula 5:

wherein R², Y and Py have the meaning given in general formula 1.

Preferred compounds of general formula 1 are the compounds of general formula 6:

wherein R² and Py have the meaning given in general formula 2.

Preferred compounds of general formula 1 are the compounds of general formula 7:

wherein R², Y and Py have the meaning given in general formula 1.

Preferred compounds of general formula 1 are the compounds of general formula 8:

wherein R², Y and Py have the meaning given in general formula 1.

Preferred compounds of general formula 1 are the compounds of general formula 9:

wherein R² and Py have the meaning given in general formula 2.

Preferred compounds of general formula 1 are the compounds of general formula 10:

wherein X, Z and Py have the meaning given in general formula 1.

Preferred compounds of general formula 1 are the compounds of general formula 11:

wherein R⁶ is hydrogen, lower alkyl, or arylalkyl; and n, X, Y, and Z have the meaning given in general formula 1.

Preferred compounds of general formula 1 are the compounds of general formula 12:

wherein R⁶ has the meaning given in general formula 11; and n, X and Z have the meaning given in general formula 2.

Preferred compounds of general formula 1 are the compounds of general formula 13:

wherein R⁶ has the meaning given in general formula 11; and n, R², R³, X, Y, and Z have the meaning given in general formula 1.

Preferred compounds of general formula 1 are the compounds of general formula 14:

wherein R⁶ has the meaning given in general formula 11; and n, R², R³, X and Z have the meaning given in general formula 1.

Preferred compounds of general formula 1 are the compounds of general formula 15:

wherein R⁶ has the meaning given in general formula 11.

Preferred compounds of general formula 1 are the compounds of general formula 16:

wherein R⁶ has the meaning given in general formula 11.

Preferred compounds of general formula 1 are the compounds of general formula 17:

wherein R⁶ has the meaning given in general formula 11; and R² has the meaning given in general formula 1.

Preferred compounds of general formula 1 are the compounds of general formula 18:

wherein R⁶ has the meaning given in general formula 11; and R² has the meaning given in general formula 1.

Preferred compounds of general formula 1 are the compounds of general formula 19:

wherein R⁶ has the meaning given in general formula 11; and R² has the meaning given in general formula 1.

Preferred compounds of general formula 1 are the compounds of general formula 20:

wherein R⁶ has the meaning given in general formula 11; and R² has the meaning given in general formula 1.

Examples of particularly preferred compounds of general formula 1 are selected from the group consisting of:

Example Number 1. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-4- trifluoromethyl-benzenesulfonamide 3. N-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- pyrrolidin-3-yl)-benzenesulfonamide 5. Thiophene-2-sulfonic acid (1-{2-[3-(2-methyl-quinolin-4-yl)- ureido]-ethyl}-pyrrolidin-3-yl)-amide 8. 3-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- pyrrolidin-3-yl)-benzenesulfonamide 9. 3,N-Dimethyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- pyrrolidin-3-yl)-benzenesulfonamide 11. 2-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- pyrrolidin-3-yl)-benzenesulfonamide 12. 2,N-Dimethyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- pyrrolidin-3-yl)-benzenesulfonamide 13. 4-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- piperidin-4-yl)-benzenesulfonamide 14. 4-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- pyrrolidin-3-yl)-benzenesulfonamide 15. 4,N-Dimethyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- pyrrolidin-3-yl)-benzenesulfonamide 17. 2-Fluoro-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- pyrrolidin-3-yl)-benzenesulfonamide 18. 2-Fluoro-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 21. 3-Fluoro-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 24. 4-Fluoro-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 31. 4-Cyano-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- piperidin-4-yl)-benzenesulfonamide 35. 3-Methoxy-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- pyrrolidin-3-yl)-benzenesulfonamide 36. 3-Methoxy-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 37. 4-Methoxy-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- piperidin-4-yl)-benzenesulfonamide 38. 4-Methoxy-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- pyrrolidin-3-yl)-benzenesulfonamide 39. 4-Methoxy-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 41. 3-Chloro-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- pyrrolidin-3-yl)-benzenesulfonamide 42. 3-Chloro-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 43. 4-Chloro-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- piperidin-4-yl)-benzenesulfonamide 44. 4-Chloro-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- pyrrolidin-3-yl)-benzenesulfonamide 46. 2-Chloro-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- pyrrolidin-3-yl)-benzenesulfonamide 55. Biphenyl-4-sulfonic acid methyl-(1-{2-[3-(2-methyl-quinolin-4-yl)- ureido]-ethyl}-pyrrolidin-3-yl)-amide 57. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-4- propyl-benzenesulfonamide 58. N-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- pyrrolidin-3-yl)-4-propyl-benzenesulfonamide 62. Naphthalene-2-sulfonic acid (1-{2-[3-(2-methyl-quinolin-4-yl)- ureido]-ethyl}-piperidin-4-yl)-amide 63. Naphthalene-2-sulfonic acid (1-{2-[3-(2-methyl-quinolin-4-yl)- ureido]-ethyl}-pyrrolidin-3-yl)-amide 64. Naphthalene-2-sulfonic acid methyl-(1-{2-[3-(2-methyl-quinolin-4- yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide 65. Naphthalene-1-sulfonic acid (1-{2-[3-(2-methyl-quinolin-4-yl)- ureido]-ethyl}-piperidin-4-yl)-amide 66. Naphthalene-1-sulfonic acid (1-{2-[3-(2-methyl-quinolin-4-yl)- ureido]-ethyl}-pyrrolidin-3-yl)-amide 67. Naphthalene-1-sulfonic acid methyl-(1-{2-[3-(2-methyl-quinolin-4- yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide 69. Quinoline-8-sulfonic acid (1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- ethyl}-pyrrolidin-3-yl)-amide 70. Quinoline-8-sulfonic acid methyl-(1-{2-[3-(2-methyl-quinolin-4-yl)- ureido]-ethyl}-pyrrolidin-3-yl)-amide 72. 4-tert-Butyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- pyrrolidin-3-yl)-benzenesulfonamide 73. 4-tert-Butyl-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 77. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-4- trifluoromethyl-benzenesulfonamide 78. N-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- pyrrolidin-3-yl)-4-trifluoromethyl-benzenesulfonamide 79. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-2- trifluoromethyl-benzenesulfonamide 80. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-2- trifluoromethyl-benzenesulfonamide 81. N-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- pyrrolidin-3-yl)-2-trifluoromethyl-benzenesulfonamide 83. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-3- trifluoromethyl-benzenesulfonamide 85. 3,4-Dichloro-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- piperidin-4-yl)-benzenesulfonamide 87. 3,4-Dichloro-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 88. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-4- pentyl-benzenesulfonamide 89. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-4- pentyl-benzenesulfonamide 90. N-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- pyrrolidin-3-yl)-4-pentyl-benzenesulfonamide 92. 4-Butoxy-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- pyrrolidin-3-yl)-benzenesulfonamide 93. 4-Butoxy-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 94. 4,5-Dichloro-thiophene-2-sulfonic acid (1-{2-[3-(2-methyl-quinolin- 4-yl)-ureido]-ethyl}-piperidin-4-yl)-amide 95. 4,5-Dichloro-thiophene-2-sulfonic acid (1-{2-[3-(2-methyl-quinolin- 4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide 96. 4,5-Dichloro-thiophene-2-sulfonic acid methyl-(1-{2-[3-(2-methyl- quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide 97. 4-(3-Chloro-2-cyano-phenoxy)-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide 98. 4-(3-Chloro-2-cyano-phenoxy)-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 99. 4-(3-Chloro-2-cyano-phenoxy)-N-methyl-N-(1-{2-[3-(2-methyl- quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 103. N-[4-Methyl-5-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- piperidin-4-ylsulfamoyl)-thiazol-2-yl]-acetamide 106. 3-Bromo-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- piperidin-4-yl)-benzenesulfonamide 107. 3-Bromo-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- pyrrolidin-3-yl)-benzenesulfonamide 108. 3-Bromo-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 109. 4-Bromo-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- piperidin-4-yl)-benzenesulfonamide 110. 4-Bromo-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- pyrrolidin-3-yl)-benzenesulfonamide 111. 4-Bromo-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 113. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-2- trifluoromethoxy-benzenesulfonamide 115. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-4- trifluoromethoxy-benzenesulfonamide 116. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-4- trifluoromethoxy-benzenesulfonamide 117. N-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- pyrrolidin-3-yl)-4-trifluoromethoxy-benzenesulfonamide 118. 5-Dimethylamino-naphthalene-1-sulfonic acid (1-{2-[3-(2-methyl- quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-amide 119. 5-Dimethylamino-naphthalene-1-sulfonic acid (1-{2-[3-(2-methyl- quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide 120. 5-Dimethylamino-naphthalene-1-sulfonic acid methyl-(1-{2-[3-(2- methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide 121. 5-Chloro-3-methyl-benzo[b]thiophene-2-sulfonic acid (1-{2-[3-(2- methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-amide 122. 5-Chloro-3-methyl-benzo[b]thiophene-2-sulfonic acid (1-{2-[3-(2- methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide 123. 5-Chloro-3-methyl-benzo[b]thiophene-2-sulfonic acid methyl-(1- {2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide 124. 4-Bromo-2-ethyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- piperidin-4-yl)-benzenesulfonamide 125. 4-Bromo-2-ethyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- pyrrolidin-3-yl)-benzenesulfonamide 126. 4-Bromo-2-ethyl-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 130. N-[5-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4- ylsulfamoyl)-thiophen-2-ylmethyl]-benzamide 131. N-[5-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3- ylsulfamoyl)-thiophen-2-ylmethyl]-benzamide 132. N-{5-[Methyl-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- pyrrolidin-3-yl)-sulfamoyl]-thiophen-2-ylmethyl}-benzamide 133. 4-Benzenesulfonyl-thiophene-2-sulfonic acid (1-{2-[3-(2-methyl- quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-amide 134. 4-Benzenesulfonyl-thiophene-2-sulfonic acid (1-{2-[3-(2-methyl- quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide 135. 4-Benzenesulfonyl-thiophene-2-sulfonic acid methyl-(1-{2-[3-(2- methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide 136. 2-(2,2,2-Trifluoro-acetyl)-1,2,3,4-tetrahydro-isoquinoline-7-sulfonic acid (1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)- amide 137. 2-(2,2,2-Trifluoro-acetyl)-1,2,3,4-tetrahydro-isoquinoline-7-sulfonic acid (1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)- amide 138. 2-(2,2,2-Trifluoro-acetyl)-1,2,3,4-tetrahydro-isoquinoline-7-sulfonic acid methyl-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- pyrrolidin-3-yl)-amide 141. 2-Phenyl-ethanesulfonic acid (1-{2-[3-(2-methyl-quinolin-4-yl)- ureido]-ethyl}-piperidin-4-yl)-amide 142. 4-Chloro-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 144. 4-Bromo-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- ethyl}-piperidin-4-yl)-benzenesulfonamide 174. 1-{2-[4-(3-Biphenyl-2-yl-ureido)-piperidin-1-yl]-ethyl}-3-(2-methyl- quinolin-4-yl)-urea 175. 1-{2-[3-(3-Biphenyl-2-yl-ureido)-pyrrolidin-1-yl]-ethyl}-3-(2-methyl- quinolin-4-yl)-urea 239. 1-(2-{4-[3-(2-Isopropyl-phenyl)-ureido]-piperidin-1-yl}-ethyl)-3-(2- methyl-quinolin-4-yl)-urea 240. 1-(2-{3-[3-(2-Isopropyl-phenyl)-ureido]-pyrrolidin-1-yl}-ethyl)-3-(2- methyl-quinolin-4-yl)-urea 249. 1-(2-Methyl-quinolin-4-yl)-3-(2-{3-[3-(2-phenoxy-phenyl)-ureido]- pyrrolidin-1-yl}-ethyl)-urea 275. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-2- naphthalen-1-yl-acetamide 341. 2-(4-Bromo-phenyl)-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- ethyl}-piperidin-4-yl)-acetamide 346. 4-Benzoyl-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- ethyl}-pyrrolidin-3-yl)-benzamide 365. 1-(2-Methyl-quinolin-4-yl)-3-[2-(4-phenyl-piperidin-1-yl)-ethyl]-urea 367. 1-(2-Methyl-quinolin-4-yl)-3-[2-(4-o-tolyl-piperidin-1-yl)-ethyl]-urea 369. 1-[2-(4-Benzyl-4-hydroxy-piperidin-1-yl)-ethyl]-3-(2-methyl- quinolin-4-yl)-urea 370. 1-[2-(4-Hydroxy-4-phenyl-piperidin-1-yl)-ethyl]-3-(2-methyl- quinolin-4-yl)-urea 376. 1-[2-(4-Benzyl-piperidin-1-yl)-ethyl]-3-(2-methyl-quinolin-4-yl)-urea 437. 1-[2-(Benzyl-methyl-amino)-pyridin-4-yl]-3-[2-(4-benzyl-piperidin- 1-yl)-ethyl]-urea

Examples of preferred compounds of general formula 1 are selected from the list consisting of:

Example Number 143. 4-Bromo-N-ethyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- piperidin-4-yl)-benzenesulfonamide 145. 4-Bromo-N-ethyl-N-(1-(2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- pyrrolidin-3-yl)-benzenesulfonamide 146. 4-Bromo-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- piperidin-4-yl)-N-propyl-benzenesulfonamide 147. 4-Bromo-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- pyrrolidin-3-yl)-N-propyl-benzenesulfonamide 148. 4-Bromo-N-isobutyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- ethyl}-piperidin-4-yl)-benzenesulfonamide 149. 4-Bromo-N-isobutyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 150. 4-Bromo-N-butyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- piperidin-4-yl)-benzenesulfonamide 151. 4-Bromo-N-butyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- pyrrolidin-3-yl)-benzenesulfonamide 152. N-Benzyl-4-bromo-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- ethyl}-piperidin-4-yl)-benzenesulfonamide 153. N-Benzyl-4-bromo-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 154. 4-Bromo-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- piperidin-4-yl)-N-phenethyl-benzenesulfonamide 155. 4-Bromo-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- pyrrolidin-3-yl)-N-phenethyl-benzenesulfonamide 156. 4-Bromo-N-methyl-N-((R)-1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 157. 4-Bromo-N-ethyl-N-((R)-1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 158. 4-Bromo-N-ethyl-N-((S)-1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 159. 4-Bromo-N-methyl-N-((S)-1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 160. N-Ethyl-3-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- piperidin-4-yl)-benzenesulfonamide 161. N-Ethyl-4-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- piperidin-4-yl)-benzenesulfonamide 162. N-Ethyl-2-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- piperidin-4-yl)-benzenesulfonamide 163. 3-Chloro-N-ethyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- piperidin-4-yl)-benzenesulfonamide 164. 2-Chloro-N-ethyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- piperidin-4-yl)-benzenesulfonamide 165. 4-Chloro-N-ethyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- piperidin-4-yl)-benzenesulfonamide 166. N-Ethyl-4-fluoro-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- piperidin-4-yl)-benzenesulfonamide 167. N-Ethyl-4-methoxy-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- ethyl}-piperidin-4-yl)-benzenesulfonamide 168. 3,4-Dichloro-N-ethyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- ethyl}-piperidin-4-yl)-benzenesulfonamide 169. N-Ethyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin- 4-yl)-4-trifluoromethyl-benzenesulfonamide 230. 1-(2-Methyl-quinolin-4-yl)-3-{2-[4-(3-phenethyl-ureido)-piperidin-1- yl]-ethyl}-urea 384. 1-[(S)-1-(4-Benzyl-piperidin-1-ylmethyl)-2-methyl-propyl]-3-(2- methyl-quinolin-4-yl)-urea 385. 1-[(S)-1-Benzyl-2-(4-benzyl-piperidin-1-yl)-ethyl]-3-(2-methyl- quinolin-4-yl)-urea 386. 1-[(S)-1-(4-Benzyl-piperidin-1-ylmethyl)-3-methyl-butyl]-3-(2- methyl-quinolin-4-yl)-urea 389. 1-[2-(4-Benzyl-4-hydroxy-piperidin-1-yl)-ethyl]-3-(2-cyclopropyl- quinolin-4-yl)-urea 392. 1-{2-[4-(3-Methyl-benzylidene)-piperidin-1-yl]-ethyl}-3-(2-methyl- quinolin-4-yl)-urea 394. 1-{2-[4-(2-Methyl-benzylidene)-piperidin-1-yl]-ethyl}-3-(2-methyl- quinolin-4-yl)-urea 395. 1-{2-[4-(4-Methoxy-benzylidene)-piperidin-1-yl]-ethyl}-3-(2-methyl- quinolin-4-yl)-urea 396. 1-{2-[4-(4-Fluoro-benzylidene)-piperidin-1-yl]-ethyl}-3-(2-methyl- quinolin-4-yl)-urea 397. 1-{2-[4-(4-Bromo-benzylidene)-piperidin-1-yl]-ethyl}-3-(2-methyl- quinolin-4-yl)-urea 398. 1-{2-[4-(3-Methyl-benzyl)-piperidin-1-yl]-ethyl}-3-(2-methyl- quinolin-4-yl)-urea 399. 1-{2-[4-(2-Methyl-benzyl)-piperidin-1-yl]-ethyl}-3-(2-methyl- quinolin-4-yl)-urea 401. 1-{2-[4-(4-Fluoro-benzyl)-piperidin-1-yl]-ethyl}-3-(2-methyl- quinolin-4-yl)-urea 412. 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-piperidine-4- carboxylic acid benzyl-phenyl-amide 416. 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-piperidine-4- carboxylic acid (2-chloro-phenyl)-methyl-amide 425. 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-4-phenyl-piperidine- 4-carboxylic acid benzyl-methyl-amide 427. 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-4-phenyl-piperidine- 4-carboxylic acid methyl-phenethyl-amide 428. 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-4-phenyl-piperidine- 4-carboxylic acid benzyl-ethyl-amide 429. 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-4-phenyl-piperidine- 4-carboxylic acid dimethylamide 432. 4-Benzyl-1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidine- 4-carboxylic acid benzyl-ethyl-amide 447. 1-[2-(4-Benzyl-4-hydroxy-piperidin-1-yl)-ethyl]-3-(2-methylamino- pyridin-4-yl)-urea 448. 1-[2-(4-Benzyl-piperidin-1-yl)-ethyl]-3-(2-methylamino-pyridin-4- yl)-urea

Because of their ability to inhibit the actions of urotensin II, the described compounds can be used for treatment of diseases which are associated with an increase in vasoconstriction, proliferation or other disease states associated with the actions of urotensin II. Examples of such diseases are hypertension, atherosclerosis, angina or myocardial ischemia, congestive heart failure, cardiac insufficiency, cardiac arrhythmias, renal ischemia, chronic kidney disease, renal failure, stroke, cerebral vasospasm, cerebral ischemia, dementia, migraine, subarachnoidal hemorrhage, diabetes, diabetic arteriopathy, diabetic nephropathy, connective tissue diseases, cirrhosis, asthma, chronic obstructive pulmonary disease, high-altitude pulmonary edema, Raynaud's syndrome, portal hypertension, thyroid dysfunction, pulmonary edema, pulmonary hypertension, or pulmonary fibrosis. They can also be used for prevention of restenosis after balloon or stent angioplasty, for the treatment of cancer, prostatic hypertrophy, erectile dysfunction, hearing loss, amaurosis, chronic bronchitis, asthma, gram negative septicemia, shock, sickle cell anemia, sickle cell acute chest syndrome, glomerulonephritis, renal colic, glaucoma, therapy and prophylaxis of diabetic complications, complications of vascular or cardiac surgery or after organ transplantation, complications of cyclosporin treatment, pain, addictions, schizophrenia, Alzheimer's disease, anxiety, obsessive-compulsive behavior, epileptic seizures, stress, depression, dementias, neuromuscular disorders, neurodegenerative diseases, as well as other diseases related to a dysregulation of urotensin II or urotensin II receptors.

These compositions may be administered in enteral or oral form e.g. as tablets, dragees, gelatine capsules, emulsions, solutions or suspensions, in nasal form like sprays and aerosols, or rectally in form of suppositories. These compounds may also be administered in intramuscular, parenteral or intravenous form, e.g. in form of injectable solutions.

These pharmaceutical compositions may contain the compounds of formula 1 as well as their pharmaceutically acceptable salts in combination with inorganic and/or organic excipients, which are usual in the pharmaceutical industry, like lactose, maize or derivatives thereof, talcum, stearic acid or salts of these materials.

For gelatine capsules vegetable oils, waxes, fats, liquid or half-liquid polyols etc. may be used. For the preparation of solutions and sirups e.g. water, polyols, saccharose, glucose etc. are used. Injectables are prepared by using e.g. water, polyols, alcohols, glycerin, vegetable oils, lecithin, liposomes etc. Suppositories are prepared by using natural or hydrogenated oils, waxes, fatty acids (fats), liquid or half-liquid polyols etc.

The compositions may contain in addition preservatives, stabilisation improving substances, viscosity improving or regulating substances, solubility improving substances, sweeteners, dyes, taste improving compounds, salts to change the osmotic pressure, buffer, anti-oxidants etc.

The compounds of general formula 1 may also be used in combination with one or more other therapeutically useful substances e.g. α- and, β-blockers like phentolamine, phenoxybenzamine, atenolol, propranolol, timolol, metoprolol, carteolol, carvedilol, etc.; with vasodilators like hydralazine, minoxidil, diazoxide, flosequinan, etc.; with calcium-antagonists like diltiazem, nicardipine, nimodipine, verapamil, nifedipine, etc.; with angiotensin converting enzyme-inhibitors like cilazapril, captopril, enalapril, lisinopril etc.; with potassium channel activators like pinacidil, chromakalim, etc.; with angiotensin receptor antagonists like losartan, valsartan, candesartan, irbesartan, eprosartan, telmisartan, and tasosartan, etc.; with diuretics like hydrochlorothiazide, chlorothiazide, acetolamide, bumetanide, furosemide, metolazone, chlortalidone, etc.; with sympatholytics like methyldopa, clonidine, guanabenz, reserpine, etc.; with endothelin receptor antagonists like bosentan, tezosentan, darusentan, atrasentan, enrasentan, or sitaxsentan, etc.; with anti-hyperlipidemic agents like lovastatin, pravistatin, fluvastatin, atorvastatin, cerivastatin, simvastatin, etc.; and other therapeutics which serve to treat high blood pressure, vascular disease or other disorders listed above.

The dosage may vary within wide limits but should be adapted to the specific situation. In general the dosage given daily in oral form should be between about 3 mg and about 3 g, preferably between about 10 mg and about 1 g, especially preferred between 5 mg and 300 mg, per adult with a body weight of about 70 kg. The dosage should be administered preferably in 1 to 3 doses of equal weight per day. As usual children should receive lower doses which are adapted to body weight and age.

General Preparation of Compounds of the Invention

Compounds of the general formula 1 can be prepared using methods generally known in the art, according to the general sequence of reactions outlined below. For simplicity and clarity reasons sometimes only a few of the possible synthetic routes that lead to compounds of general formula 1 are described.

For the synthesis of compounds of general formula 1 general synthetic routes illustrated in Schemes A through E can be employed. The generic groups Py, R¹, R², R³, X, Z, Y, n, and m employed in Schemes A through E have the definitions given in general formula 1 above. Other abbreviations used are defined in the Experimental Section. Some instances of the generic groups X and Z might be incompatible with the assembly illustrated in Schemes A through E and so will require the use of protecting groups. The use of protecting groups is well known in the art (see for example “Protective Groups in Organic Synthesis”, T. W. Greene, P. G. M. Wuts, Wiley-Interscience, 1999). For the purposes of this discussion, it will be assumed that such protecting groups as are necessary are in place.

Preparation of compounds of general formula 1 wherein Y is —(CH₂)_(m)C(R⁴)(R⁵)—. Compounds of general formula 1 wherein Y is —(CH₂)_(m)C(R⁴)(R⁵)— are prepared according to Scheme A. Compounds of general formula 1 wherein Y is —C(R⁴)(R⁵)—(CH₂)_(m)— are prepared according to Scheme B.

4-Substituted-piperidines and 3-substituted-pyrrolidines of general structure I in Scheme A are either commercially available in racemic or optically active form or are prepared in racemic or optically active form by methods well known in the art.

Ureido acetic- and propionic acid derivatives of general structure 11 in Scheme A are prepared according to Scheme F below. N-Acylation of piperidines and pyrrolidines of general structure I with ureido acetic- and propionic acid derivatives of general structure II is accomplished in a polar solvent such as DMF in the presence of a small stoichiometric excess of a coupling reagent such as a carbodiimide to provide amides of general structure III. Selective reduction of the amide carbonyl group with a reagent such as LiAlH₄ in a polar solvent such as THF provides the target compounds of general formula 1 wherein Y is —(CH₂)_(m)C(R⁴)(R⁵)—.

Preparation of compounds of general formula 1 wherein R¹ is H. These compounds are alternatively prepared according to Scheme B.

Amines of general structure IV are reacted with isocyanates of general structure V or ureas of general structure VI to provide the final compounds of general formula 1 wherein R¹ is H. Alternatively, amines of general structure IV are reacted with ureas of general structure VI to provide the final compounds of general formula 1 wherein R¹ is H. The preparation of isocyanates of general structure V and of ureas of general structure VI is described in Scheme E below. The preparation of amines of general structure IV is described in Scheme G below.

Compounds of general formula 1 wherein R⁴ and R⁵ are H. These compounds are prepared according to the method illustrated in Scheme C.

4-Substituted-piperidines and 3-substituted-pyrrolidines of general structure I in Scheme C are either commercially available in racemic or optically active form or are prepared in racemic or optically active form by methods well known in the art. Haloalkyl ureas of general structure VII in Scheme C are prepared according to Scheme E below. N-Alkylation of piperidines and pyrrolidines of general structure I with haloalkyl ureas of general structure VII is accomplished in a polar solvent such as tetrahydrofuran in the presence of a sub-stoichiometric amount of an iodide salt such as NaI and a small stoichiometric excess of acid scavenger such as Na₂CO₃, to provide the target compounds of general formula 1.

Compounds of general formula 1 wherein X represents lower alkyl-SO₂NR²—; aryl-SO₂NR²—; arylalkyl-SO₂NR²—; lower alkyl-CONR²—; aryl-CONR²—; arylalkyl-CONR²—; lower alkyl-NR³CONR²—: aryl-NR³CONR²—; arylalkyl-NR³CONR²—; and Z, R⁴ and R⁵ represent H. These compounds are alternatively prepared according to the method illustrated in Scheme D.

Racemic or chiral carbamates of general structure VIII are either commercially available or readily prepared by methods well known in the art. Haloalkyl ureas of general structure VII are prepared according to Scheme E below. Carbamates of general structure VIII are reacted with haloalkyl ureas of general structure VII in a polar solvent such as tetrahydrofuran in the presence of a substoichiometric amount of an iodide salt such as NaI and a small stoichiometric excess of an acid scavenger such as Na₂CO₃, followed by removal of the carbamate group under acidic conditions, such as reaction with TFA in CH₂Cl₂. The resulting compounds of general structure IX are converted to final compounds of general formula 1 wherein lower alkyl-SO₂NR²—; aryl-SO₂NR²—; arylalkyl-SO₂NR²—; lower alkyl-CONR²—; aryl-CONR²—; arylalkyl-CONR²—; lower alkyl-NR³CONR²—; aryl-NR³CONR²—; arylalkyl-NR³CONR²—; and Z, R⁴ and R⁵ represent H, by reaction with commercially available or well known sulfonylchlorides, isocyanates, or acid chlorides.

Synthetic intermediates used in Schemes A, B, C, and D. Synthetic intermediates containing the group Py, as defined in the general formula 1 above, are obtained by the methods illustrated in Scheme E and F.

Carboxylic acids of general structure XI are commercially available or are prepared by well known methods. Reaction with diphenylphosphorylazide provides the acyl azide, which undergoes Curtius rearrangement to provide the isocyanates of general structure V, which are used in situ. Isocyanates of general structure V, reacted with halopropylamine hydrochloride or haloethylamine hydrochloride in the presence of an acid scavenger such as DIPEA, provide ureas of general structure VII wherein R¹ is H. Isocyanates of general structure V are reacted with tert-butanol to provide the corresponding carbamoyl ester, which is hydrolyzed with aqueous acid such as HCl, to provide amines of general structure X where R¹ is H. Alkylation by one of several methods well known in the art, such as reductive amination with a suitable lower aldehyde provides secondary amines of general structure X. Reaction of amines of general structure X with commercially available chloroethylisocyanate or chloropropylisocyanate in a polar aprotic solvent such as tetrahydrofuran provides the ureas of general structure VII.

Reaction of amines of general structure X with isocyanates of general structure V provide symmetrical ureas of general structure VI. Reaction of amines of general structure X with commercially available 2- or 3-isocyanato-carboxylic acid esters of general formula XII in a polar aprotic solvent such as tetrahydrofuran, followed by hydrolysis of the ester in aqueous acid such as HCl, provides carboxylic acids of general structure II. Alternatively, isocyanates of general structure V and ureas of general structure VI react with amino acid esters of general structure XIII to provide, after hydrolysis of the ester in aqueous acid such as HCl, carboxylic acids of general structure II.

Synthetic intermediates of general structure IV are obtained by the methods illustrated in Scheme G.

4-Substituted-piperidines and 3-substituted-pyrrolidines of general structure I in Scheme A are either commercially available in racemic or optically active form or are prepared in racemic or optically active form by methods well known in the art. Ketones and aldehydes of general formula XV are commercially available or are prepared by methods well-known in the art. Reaction of ketones and aldehydes of general formula XV with 4-substituted-piperidines and 3-substituted-pyrrolidines of general structure I in presence of a cyanide ion donor such as acetone cyanohydrine provides piperidine and pyrrolidine derivatives of general structure XVI. Complete reduction of the cyano group with a reducing reagent such as LiAlH₄ in a polar aprotic solvent such as THF provides the intermediate primary amines of general structure IV, wherein Y is —C(R⁴)(R⁵)—CH₂—. Partial reduction of the cyano group of compounds of general structure XVI with a reducing reagent such as DIBAL-H, followed by aqueous hydrolysis provides aldehydes of general structure XVIII. Condensation with the nitromethane anion and subsequent reduction, for example by catalytic hydrogenation, provides the intermediate primary amines of general structure IV, wherein Y is —C(R⁴)(R⁵)(CH₂)₂—. Haloalkyl carbamates of general structure XIV in Scheme G are commercially available or are prepared by methods well-known in the art. N-Alkylation of piperidines and pyrrolidines of general structure I with haloalkyl carbamates of general structure XIV is accomplished in a polar solvent such as THF in the presence of a small stoichiometric excess of acid scavenger such as DIPEA to provide compounds of general structure XIX. Cleavage of the resulting carbamate with methods well known in the art, for example with TFA in a solvent such as CH₂Cl₂, provides the intermediate primary amine derivatives of general structure IV wherein Y is —(CH₂)_(m)C(R⁴)(R⁵)—. Protected amino acids of general structure XVII are commercially available or are prepared by methods well-known in the art. N-Acylation of piperidines and pyrrolidines of general structure IV with compounds of general structure XVII is accomplished under well-known conditions, for example in a polar solvent such as DMF in the presence of a small stoichiometric excess of a coupling agent such as a carbodiimide, to provide compounds of general structure XX. Reduction with a reagent such as LiAlH₄ and deprotection provides intermediate primary amines of general structure IV wherein Y is —(CH₂)_(m)C(R⁴)(R⁵)—.

The foregoing general description of the invention will now be further illustrated with a number of non-limiting examples.

EXAMPLES OF THE INVENTION

List of Abbreviations:

BSA bovine serum albumin CDI N,N-carbonyldiimidazole DIBAL-H diisobutylaluminum hydride DIPEA diisopropylethylamine DMF dimethylformamide DMSO dimethylsulfoxide DPPA diphenylphosphoryl azide EDC N-(3-dimethylaminopropyl)-N′-ethylcarbodiimide hydrochloride EDTA ethylenediamine tetra-acetic acid ESI electrospray ionization EtOAc ethyl acetate Hex hexane HOBt 1-hydroxybenzotriazole AcOH acetic acid HPLC high performance liquid chromatography LC-MS liquid chromatography-mass spectroscopy LDA lithium diisopropylamide MeOH methanol min minutes MHz megahertz MS mass spectroscopy NaHMDS sodium bis(trimethylsilyl)amide NMR nuclear magnetic resonance ppm part per million PBS phosphate-buffered saline sat. saturated T₃P 1-propylphosphonic acid cyclic anhydride TBTU 2-(1H-benzotriazole-1-yl)-1,1,3,3-tetramethyluronium bromide TEA triethylamine TFA trifluoroacetic acid THF tetrahydrofuran TLC thin layer chromatography TMSCI chlorotrimethylsilane t_(R) retention time

Reactions are routinely performed under an inert atmosphere such as N₂ gas in air dried glassware. Solvents are used as received from the vendor. Evaporations are performed in a rotary evaporator at reduced pressure and a water bath temperature of 50° C. LC-MS characterizations are performed on a Finnigan HP1100 platform using ESI, and positive ion detection with a Navigator AQK detector. Analytical liquid chromatographic separations are performed by Method A, or where indicated, by Method B. Method A consists of a C18 column of 30×4.6 mm dimensions and a mobile phase consisting of a 1 minute gradient of 2-95% CH₃CN (containing 0.013 TFA) in water (containing 0.04% TFA) at a flow rate of 0.45 mL/min. Method B consists of a C18 column of 30×4.6 mm dimensions and an isocratic mobile phase consisting of CH₃CN-water (1:9) containing 1% formic acid. Retention time (t_(R)) is given in min. TLC is performed on pre-coated silica gel 60 F₂₅₄ glass-backed plates (Merck). Preparative HPLC is performed on a Varian/Gilson platform using a C18 column of 60×21 mm dimensions and a mobile phase consisting of a gradient of 2 to 95% CH₃CN in water containing 0.05% formic acid.

Example 1 N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-4-trifluoromethyl-benzenesulfonamide 1A. 1-(2-Chloro-ethyl)-3-(2-methyl-quinolin-4-yl)-urea

To a solution of 4-amino-2-methylquinoline (12.6 g, 80 mmol) in THF (480 mL) is added 2-chloroethylisocyanate (10.2 mL, 120 mmol) at rt. The reaction mixture is stirred for 40 h at rt. MeOH (100 mL) is added, and stirring is continued an additional hour. The reaction mixture is evaporated and the residue is taken up in CH₂Cl₂. The organic layer is shaken with 1 N HCl (250 mL), and the resulting precipitate is collected by filtration. The solid is washed with CH₂Cl₂ (100 mL), saturated NaHCO₃ (2×100 mL), and with water (4×100 mL). The resulting solid is dried under HV at rt for 14 h to provide the title compound.

1B. (1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-carbamic acid tert-butyl ester

A mixture of piperidin-4-yl-carbamic acid tert-butyl ester (10 mmol), 1-(2-chloro-ethyl)-3-(2-methyl-quinolin-4-yl)-urea (10 mmol), NaHCO₃ (20 mmol), Nal (0.5 mmol), and THF (70 mL) is stirred in a sealed vessel at 70° C. for 6 d. The reaction mixture is filtered, evaporated to dryness, and the residue is purified by preparative HPLC to provide the title compound.

1C. 1-[2-(4-Amino-piperidin-1-yl)-ethyl]-3-(2-methyl-quinolin-4-yl)-urea

A solution of (1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}piperidin-4-yl)-carbamic acid tert-butyl ester (2.86 g, 5.5 mmol) in AcOH (35 mL) is treated with conc. HCl (3.5 mL). After 30 min, the reaction mixture is frozen and lyophylized to provide the title compound as the dihydrochloride salt.

1D. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-4-trifluoromethyl-benzenesulfonamide

A solution of 4-trifluoromethyl-benzenesulfonyl chloride (0.03 mmol) in THF (1 mL) is added to a mixture of 1-[2-(4-amino-piperidin-1-yl)-ethyl]-3-(2-methyl-quinolin-4-yl)-urea (0.025 mmol), DIPEA (6 μL) and THF (1 mL). The reaction mixture is heated at 40° C. for 18 h, and then is evaporated to dryness. The residue is taken up in formic acid (1 mL), and purified by preparative HPLC to provide the title compound.

The following compounds are prepared analogously:

MS Example t_(r) (ES+) 1. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 1.04 536.2 piperidin-4-yl)-4-trifluoromethyl-benzenesulfonamide 2. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 0.91 454.2 pyrrolidin-3-yl)-benzenesulfonamide 3. N-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.98 468.2 ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 4. Thiophene-2-sulfonic acid (1-{2-[3-(2-methyl-quinolin- 0.89 474.2 4-yl)-ureido]-ethyl}-piperidin-4-yl)-amide 5. Thiophene-2-sulfonic acid (1-{2-[3-(2-methyl-quinolin- 0.89 460.2 4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide 6. Thiophene-2-sulfonic acid methyl-(1-{2-[3-(2-methyl- 0.97 474.2 quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide 7. 3-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 1.00 482.2 ethyl}-piperidin-4-yl)-benzenesulfonamide 8. 3-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 1.00 468.2 ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 9. 3,N-Dimethyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 1.06 482.2 ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 10. 2-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.99 482.2 ethyl}-piperidin-4-yl)-benzenesulfonamide 11. 2-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.99 468.2 ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 12. 2,N-Dimethyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 1.05 482.2 ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 13. 4-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 1.00 482.2 ethyl}-piperidin-4-yl)-benzenesulfonamide 14. 4-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.99 468.2 ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 15. 4,N-Dimethyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 1.06 482.2 ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 16. 2-Fluoro-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.92 486.2 ethyl}-piperidin-4-yl)-benzenesulfonamide 17. 2-Fluoro-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.93 472.2 ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 18. 2-Fluoro-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 1.00 486.2 ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 19. 3-Fluoro-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.98 486.2 ethyl}-piperidin-4-yl)-benzenesulfonamide 20. 3-Fluoro-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.97 472.2 ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 21. 3-Fluoro-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 1.04 486.2 ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 22. 4-Fluoro-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.97 486.2 ethyl}-piperidin-4-yl)-benzenesulfonamide 23. 4-Fluoro-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.97 472.2 ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 24. 4-Fluoro-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 1.03 486.2 ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 25. 2-Cyano-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.93 493.2 ethyl}-piperidin-4-yl)-benzenesulfonamide 26. 2-Cyano-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.88 479.2 ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 27. 2-Cyano-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 0.99 493.2 ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 28. 3-Cyano-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.95 493.2 ethyl}-piperidin-4-yl)-benzenesulfonamide 29. 3-Cyano-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.95 479.2 ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 30. 3-Cyano-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 1.02 493.2 ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 31. 4-Cyano-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.96 493.2 ethyl}-piperidin-4-yl)-benzenesulfonamide 32. 4-Cyano-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.96 479.2 ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 33. 4-Cyano-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 1.02 493.2 ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 34. 3-Methoxy-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.99 498.2 ethyl}-piperidin-4-yl)-benzenesulfonamide 35. 3-Methoxy-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.99 484.2 ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 36. 3-Methoxy-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4- 1.04 498.2 yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 37. 4-Methoxy-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.97 498.2 ethyl}-piperidin-4-yl)-benzenesulfonamide 38. 4-Methoxy-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.97 484.2 ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 39. 4-Methoxy-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4- 1.03 498.2 yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 40. 3-Chloro-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 1.06 502.2 ethyl}-piperidin-4-yl)-benzenesulfonamide 41. 3-Chloro-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 1.05 488.2 ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 42. 3-Chloro-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 1.10 502.2 ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 43. 4-Chloro-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 1.06 502.1 ethyl}-piperidin-4-yl)-benzenesulfonamide 44. 4-Chloro-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 1.06 488.2 ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 45. 2-Chloro-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.98 502.2 ethyl}-piperidin-4-yl)-benzenesulfonamide 46. 2-Chloro-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.97 488.2 ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 47. 1-Methyl-1H-imidazole-4-sulfonic acid (1-{2-[3-(2- 0.62 472.2 methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)- amide 48. 1-Methyl-1H-imidazole-4-sulfonic acid (1-{2-[3-(2- 0.62 458.2 methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)- amide 49. 1-Methyl-1H-imidazole-4-sulfonic acid methyl-(1-{2-[3- 0.67 472.2 (2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)- amide 50. 3,4-Difluoro-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 0.93 504.2 ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide 51. 3,4-Difluoro-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 0.91 490.2 ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 52. 3,4-Difluoro-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4- 0.98 504.2 yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 53. Biphenyl-4-sulfonic acid (1-{2-[3-(2-methyl-quinolin-4- 1.06 544.2 yl)-ureido]-ethyl}-piperidin-4-yl)-amide 54. Biphenyl-4-sulfonic acid (1-{2-[3-(2-methyl-quinolin-4- 1.06 530.2 yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide 55. Biphenyl-4-sulfonic acid methyl-(1-{2-[3-(2-methyl- 1.08 544.2 quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide 56. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 1.05 510.2 piperidin-4-yl)-4-propyl-benzenesulfonamide 57. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 1.04 496.2 pyrrolidin-3-yl)-4-propyl-benzenesulfonamide 58. N-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 1.08 510.2 ethyl}-pyrrolidin-3-yl)-4-propyl-benzenesulfonamide 59. 3-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 0.60 512.2 piperidin-4-ylsulfamoyl)-benzoic acid 60. 3-(1-(2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 0.60 498.2 pyrrolidin-3-ylsulfamoyl)-benzoic acid 61. 3-[Methyl-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.60 512.2 ethyl}-pyrrolidin-3-yl)-sulfamoyl]-benzoic acid 62. Naphthalene-2-sulfonic acid (1-{2-[3-(2-methyl- 1.03 518.2 quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-amide 63. Naphthalene-2-sulfonic acid (1-(2-{3-(2-methyl- 1.02 504.2 quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide 64. Naphthalene-2-sulfonic acid methyl-(1-{2-[3-(2- 1.04 518.2 methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)- amide 65. Naphthalene-1-sulfonic acid (1-{2-[3-(2-methyl- 1.00 518.2 quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-amide 66. Naphthalene-1-sulfonic acid (1-{2-[3-(2-methyl- 0.99 504.2 quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide 67. Naphthalene-1-sulfonic acid methyl-(1-{2-[3-(2- 1.04 518.2 methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)- amide 68. Quinoline-8-sulfonic acid (1-{2-[3-(2-methyl-quinolin- 0.87 519.2 4-yl)-ureido]-ethyl}-piperidin-4-yl)-amide 69. Quinoline-8-sulfonic acid (1-{2-[3-(2-methyl-quinolin- 0.85 505.2 4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide 70. Quinoline-8-sulfonic acid methyl-(1-{2-[3-(2-methyl- 0.87 519.2 quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide 71. 4-tert-Butyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 1.07 524.2 ethyl}-piperidin-4-yl)-benzenesulfonamide 72. 4-tert-Butyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 1.07 510.2 ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 73. 4-tert-Butyl-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4- 1.09 524.2 yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 74. N-[4-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 0.76 525.2 piperidin-4-ylsulfamoyl)-phenyl]-acetamide 75. N-[4-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 0.76 511.2 pyrrolidin-3-ylsulfamoyl)-phenyl]-acetamide 76. N-{4-[Methyl-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.81 525.2 ethyl}-pyrrolidin-3-yl)-sulfamoyl]-phenyl}-acetamide 77. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 1.03 522.2 pyrrolidin-3-yl)-4-trifluoromethyl-benzenesulfonamide 78. N-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 1.06 536.2 ethyl}-pyrrolidin-3-yl)-4-trifluoromethyl- benzenesulfonamide 79. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 0.97 536.2 piperidin-4-yl)-2-trifluoromethyl-benzenesulfonamide 80. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 0.95 522.1 pyrrolidin-3-yl)-2-trifluoromethyl-benzenesulfonamide 81. N-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 1.02 536.2 ethyl}-pyrrolidin-3-yl)-2-trifluoromethyl- benzenesulfonamide 82. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 1.03 536.2 piperidin-4-yl)-3-trifluoromethyl-benzenesulfonamide 83. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 1.02 522.2 pyrrolidin-3-yl)-3-trifluoromethyl-benzenesulfonamide 84. N-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 1.05 536.2 ethyl}-pyrrolidin-3-yl)-3-trifluoromethyl- benzenesulfonamide 85. 3,4-Dichloro-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 1.05 536.1 ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide 86. 3,4-Dichloro-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 1.04 522.1 ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 87. 3,4-Dichloro-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4- 1.07 536.1 yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 88. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 1.11 538.3 piperidin-4-yl)-4-pentyl-benzenesulfonamide 89. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 1.10 524.2 pyrrolidin-3-yl)-4-pentyl-benzenesulfonamide 90. N-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 1.12 538.3 ethyl}-pyrrolidin-3-yl)-4-pentyl-benzenesulfonamide 91. 4-Butoxy-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 1.08 540.2 ethyl}-piperidin-4-yl)-benzenesulfonamide 92. 4-Butoxy-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 1.08 526.2 ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 93. 4-Butoxy-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 1.09 540.2 ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 94. 4,5-Dichloro-thiophene-2-sulfonic acid (1-{2-[3-(2- 1.05 542.1 methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)- amide 95. 4,5-Dichloro-thiophene-2-sulfonic acid (1-{2-[3-(2- 1.04 528.0 methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)- amide 96. 4,5-Dichloro-thiophene-2-sulfonic acid methyl-(1-{2- 1.06 542.0 [3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3- yl)-amide 97. 4-(3-Chloro-2-cyano-phenoxy)-N-(1-{2-[3-(2-methyl- 1.08 619.2 quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)- benzenesulfonamide 98. 4-(3-Chloro-2-cyano-phenoxy)-N-(1-{2-[3-(2-methyl- 1.08 605.2 quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)- benzenesulfonamide 99. 4-(3-Chloro-2-cyano-phenoxy)-N-methyl-N-(1-{2-[3- 1.09 619.2 (2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)- benzenesulfonamide 100. 2-Methanesulfonyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 0.86 546.2 ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide 101. 2-Methanesulfonyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 0.83 532.1 ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 102. 2-Methanesulfonyl-N-methyl-N-(1-{2-[3-(2-methyl- 0.83 546.1 quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)- benzenesulfonamide 103. N-[4-Methyl-5-(1-{2-[3-(2-methyl-quinolin-4-yl)- 0.79 546.2 ureido]-ethyl}-piperidin-4-ylsulfamoyl)-thiazol-2-yl]- acetamide 104. N-[4-Methyl-5-(1-{2-[3-(2-methyl-quinolin-4-yl)- 0.79 532.2 ureido]-ethyl}-pyrrolidin-3-ylsulfamoyl)-thiazol-2-yl]- acetamide 105. N-{4-Methyl-5-[methyl-(1-{2-[3-(2-methyl-quinolin-4- 0.85 546.2 yl)-ureido]-ethyl}-pyrrolidin-3-yl)-sulfamoyl]-thiazol-2- yl}-acetamide 106. 3-Bromo-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.98 546.1 ethyl}-piperidin-4-yl)-benzenesulfonamide 107. 3-Bromo-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.96 532.0 ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 108. 3-Bromo-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 1.02 546.0 ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 109. 4-Bromo-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.98 546.1 ethyl}-piperidin-4-yl)-benzenesulfonamide 110. 4-Bromo-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.97 532.0 ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 111. 4-Bromo-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 1.03 546.1 ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 112. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 1.00 552.1 piperidin-4-yl)-2-trifluoromethoxy- benzenesulfonamide 113. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 0.99 538.1 pyrrolidin-3-yl)-2-trifluoromethoxy- benzenesulfonamide 114. N-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 1.04 552.2 ethyl}-pyrrolidin-3-yl)-2-trifluoromethoxy- benzenesulfonamide 115. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 1.05 552.1 piperidin-4-yl)-4-trifluoromethoxy- benzenesulfonamide 116. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 1.04 538.1 pyrrolidin-3-yl)-4-trifluoromethoxy- benzenesulfonamide 117. N-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 1.06 552.1 ethyl}-pyrrolidin-3-yl)-4-trifluoromethoxy- benzenesulfonamide 118. 5-Dimethylamino-naphthalene-1-sulfonic acid (1-{2- 0.94 561.2 [3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4- yl)-amide 119. 5-Dimethylamino-naphthalene-1-sulfonic acid (1-{2- 0.97 547.2 [3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3- yl)-amide 120. 5-Dimethylamino-naphthalene-1-sulfonic acid methyl- 1.04 561.2 (1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- pyrrolidin-3-yl)-amide 121. 5-Chloro-3-methyl-benzo[b]thiophene-2-sulfonic acid 1.09 572.2 (1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- piperidin-4-yl)-amide 122. 5-Chloro-3-methyl-benzo[b]thiophene-2-sulfonic acid 1.09 558.1 (1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- pyrrolidin-3-yl)-amide 123. 5-Chloro-3-methyl-benzo[b]thiophene-2-sulfonic acid 1.10 572.1 methyl-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- pyrrolidin-3-yl)-amide 124. 4-Bromo-2-ethyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 1.07 574.1 ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide 125. 4-Bromo-2-ethyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 1.06 560.1 ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 126. 4-Bromo-2-ethyl-N-methyl-N-(1-{2-[3-(2-methyl- 1.09 574.1 quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)- benzenesulfonamide 127. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 1.09 604.1 piperidin-4-yl)-3,5-bis-trifluoromethyl- benzenesulfonamide 128. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 1.09 590.1 pyrrolidin-3-yl)-3,5-bis-trifluoromethyl- benzenesulfonamide 129. N-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 1.10 604.2 ethyl}-pyrrolidin-3-yl)-3,5-bis-trifluoromethyl- benzenesulfonamide 130. N-[5-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 0.96 607.2 piperidin-4-ylsulfamoyl)-thiophen-2-ylmethyl]- benzamide 131. N-[5-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 0.94 593.1 pyrrolidin-3-ylsulfamoyl)-thiophen-2-ylmethyl]- benzamide 132. N-{5-[Methyl-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.99 607.2 ethyl}-pyrrolidin-3-yl)-sulfamoyl]-thiophen-2-ylmethyl}- benzamide 133. 4-Benzenesulfonyl-thiophene-2-sulfonic acid (1-{2-[3- 1.04 614.1 (2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)- amide 134. 4-Benzenesulfonyl-thiophene-2-sulfonic acid (1-{2-[3- 1.03 600.1 (2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)- amide 135. 4-Benzenesulfonyl-thiophene-2-sulfonic acid methyl- 1.05 614.1 (1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}- pyrrolidin-3-yl)-amide 136. 2-(2,2,2-Trifluoro-acetyl)-1,2,3,4-tetrahydro- 1.03 619.2 isoquinoline-7-sulfonic acid (1-{2-[3-(2-methyl- quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-amide 137. 2-(2,2,2-Trifluoro-acetyl)-1,2,3,4-tetrahydro- 1.03 605.1 isoquinoline-7-sulfonic acid (1-{2-[3-(2-methyl- quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide 138. 2-(2,2,2-Trifluoro-acetyl)-1,2,3,4-tetrahydro- 1.05 619.2 isoquinoline-7-sulfonic acid methyl-(1-{2-[3-(2-methyl- quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide 139. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 0.73 482.2 piperidin-4-yl)-C-phenyl-methanesulfonamide 140. Octane-1-sulfonic acid (1-{2-[3-(2-methyl-quinolin-4- 1.05 504.3 yl)-ureido]-ethyl}-piperidin-4-yl)-amide 141. 2-Phenyl-ethanesulfonic acid (1-{2-[3-(2-methyl- 0.87 496.2 quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-amide 142. 4-Chloro-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 1.01 502.1 ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide

Example 143 4-Bromo-N-ethyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide

To a solution of 4-bromo-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide (Example 109., 27.3 mg, 0.05 mmol) in DMSO (1 mL) are added ethyliodide (7.8 mg, 0.05 mmol) and CsCO₃ (40 mg, 12 mmol). The reaction mixture is stirred at room temperature for 3 h and then quenched with formic acid (0.25 mL). The reaction mixture is purified by preparative HPLC to provide the title compound.

The following compounds are prepared analogously:

MS Example t_(r) (ES+) 143. 4-Bromo-N-ethyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 1.06 574.03 ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide 144. 4-Bromo-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 1.05 559.99 ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide 145. 4-Bromo-N-ethyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 1.05 559.99 ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 146. 4-Bromo-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 1.09 588.06 ethyl}-piperidin-4-yl)-N-propyl-benzenesulfonamide 147. 4-Bromo-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 1.07 574.02 ethyl}-pyrrolidin-3-yl)-N-propyl-benzenesulfonamide 148. 4-Bromo-N-isobutyl-N-(1-{2-[3-(2-methyl-quinolin-4- 1.11 602.02 yl)-ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide 149. 4-Bromo-N-isobutyl-N-(1-{2-[3-(2-methyl-quinolin-4- 1.09 588.03 yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 150. 4-Bromo-N-butyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 1.1 602.06 ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide 151. 4-Bromo-N-butyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 1.09 588.04 ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 152. N-Benzyl-4-bromo-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 1.11 636.03 ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide 153. N-Benzyl-4-bromo-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 1.1 622 ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 154. 4-Bromo-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 1.13 650.02 ethyl}-piperidin-4-yl)-N-phenethyl- benzenesulfonamide 155. 4-Bromo-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 1.11 636.02 ethyl}-pyrrolidin-3-yl)-N-phenethyl- benzenesulfonamide 156. 4-Bromo-N-methyl-N-((R)-1-{2-[3-(2-methyl-quinolin- 0.80 545.71 4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)- benzenesulfonamide 157. 4-Bromo-N-ethyl-N-((R)-1-{2-[3-(2-methyl-quinolin-4- 0.79 559.97 yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 158. 4-Bromo-N-ethyl-N-((S)-1-{2-[3-(2-methyl-quinolin-4- 0.84 560.02 yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide 159. 4-Bromo-N-methyl-N-((S)-1-{2-[3-(2-methyl-quinolin- 0.80 546.00 4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)- benzenesulfonamide 160. N-Ethyl-3-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 0.98 510.40 ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide 161. N-Ethyl-4-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 0.97 510.40 ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide 162. N-Ethyl-2-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 0.97 510.40 ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide 163. 3-Chloro-N-ethyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 1.00 530.36 ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide 164. 2-Chloro-N-ethyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 0.97 530.36 ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide 165. 4-Chloro-N-ethyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 1.00 530.36 ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide 166. N-Ethyl-4-fluoro-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 0.95 514.38 ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide 167. N-Ethyl-4-methoxy-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 0.95 526.41 ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide 168. 3,4-Dichloro-N-ethyl-N-(1-{2-[3-(2-methyl-quinolin-4- 1.08 564.30 yl)-ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide 169. N-Ethyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 1.07 564.36 ethyl}-piperidin-4-yl)-4-trifluoromethyl- benzenesulfonamide

Example 170 1-{2-[3-(3-Biphenyl-2-yl-1-methyl-ureido)-pyrrolidin-1-yl]-ethyl}-3-(2-methyl-quinolin-4-yl)-urea 170A. Methyl-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-carbamic acid tert-butyl ester

A mixture of methyl-pyrrolidin-3-yl-carbamic acid tert-butyl ester (10 mmol), 1-(2-chloro-ethyl)-3-(2-methyl-quinolin-4-yl)-urea (10 mmol), NaHCO₃ (20 mmol), Nal (0.5 mmol), and THF (70 mL) is stirred in a sealed vessel at 70° C. for 6 d. The reaction mixture is filtered, evaporated to dryness, and the residue is purified by preparative HPLC to provide the title compound.

170B. 1-[2-(3-Methylamino-pyrrolidin-1-yl)-ethyl]-3-(2-methyl-quinolin-4-yl)-urea

A solution of methyl-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-carbamic acid tert-butyl ester (2.35 g, 5.5 mmol) in AcOH (35 mL) is treated with conc. HCl (3.5 mL). After 30 min, the reaction mixture is frozen and lyophylized to provide the title compound as the dihydrochloride salt.

170C. 1-{2-[3-(3-Biphenyl-2-yl-1-methyl-ureido)-pyrrolidin-1-yl]-ethyl}-3-(2-methyl-quinolin-4-yl)-urea

To a solution of 1-[2-(3-methylamino-pyrrolidin-1-yl)-ethyl]-3-(2-methyl-quinolin-4-yl)-urea (0.03 mmol) in THF (0.3 mL) is added a solution of 2-biphenyl isocyanate (0.09 mmol) in THF (0.6 mL). The reaction is allowed to stir for 18 h, and then is quenched with water (0.1 mL), and stirred for an additional 0.5 h. The reaction mixture is evaporated. The residue is taken up in a mixture of formic acid/TFA (1:1; 1 mL), and purified by preparative HPLC.

The following compounds are prepared analogously:

MS Example t_(r) (ES+) 170. 1-{2-[3-(3-Biphenyl-2-yl-1-methyl-ureido)-pyrrolidin-1- 0.93 523.3 yl]-ethyl}-3-(2-methyl-quinolin-4-yl)-urea 171. 1-(2-Methyl-quinolin-4-yl)-3-{2-[4-(3-p-tolyl-ureido)- 0.91 461.2 piperidin-1-yl]-ethyl}-urea 172. 1-(2-Methyl-quinolin-4-yl)-3-{2-[3-(3-p-tolyl-ureido)- 0.82 447.2 pyrrolidin-1-yl]-ethyl}-urea 173. 1-(2-Methyl-quinolin-4-yl)-3-{2-[3-(1-methyl-3-p-tolyl- 0.82 461.2 ureido)-pyrrolidin-1-yl]-ethyl}-urea 174. 1-{2-[4-(3-Biphenyl-2-yl-ureido)-piperidin-1-yl]-ethyl}- 1.03 523.3 3-(2-methyl-quinolin-4-yl)-urea 175. 1-{2-[3-(3-Biphenyl-2-yl-ureido)-pyrrolidin-1-yl]-ethyl}- 0.97 509.2 3-(2-methyl-quinolin-4-yl)-urea 176. 1-(2-Methyl-quinolin-4-yl)-3-(2-{4-[3-(4-phenoxy- 1.08 539.2 phenyl)-ureido]-piperidin-1-yl}-ethyl)-urea 177. 1-(2-Methyl-quinolin-4-yl)-3-(2-{3-[3-(4-phenoxy- 1.04 525.2 phenyl)-ureido]-pyrrolidin-1-yl}-ethyl)-urea 178. 1-(2-{3-[1-Methyl-3-(4-phenoxy-phenyl)-ureido]- 1.03 539.3 pyrrolidin-1-yl}-ethyl)-3-(2-methyl-quinolin-4-yl)-urea 179. 1-(2-{4-[3-(4-Ethyl-phenyl)-ureido]-piperidin-1-yl}- 0.98 475.3 ethyl)-3-(2-methyl-quinolin-4-yl)-urea 180. 1-(2-{3-[3-(4-Ethyl-phenyl)-ureido]-pyrrolidin-1-yl}- 0.91 461.3 ethyl)-3-(2-methyl-quinolin-4-yl)-urea 181. 1-(2-{3-[3-(4-Ethyl-phenyl)-1-methyl-ureido]-pyrrolidin- 0.92 475.3 1-yl}-ethyl)-3-(2-methyl-quinolin-4-yl)-urea 182. 1-{2-[4-(3-Allyl-ureido)-piperidin-1-yl]-ethyl}-3-(2- 0.66 411.2 methyl-quinolin-4-yl)-urea 183. 1-{2-[3-(3-Allyl-ureido)-pyrrolidin-1-yl]-ethyl}-3-(2- 0.66 397.2 methyl-quinolin-4-yl)-urea 184. 1-{2-[3-(3-Allyl-1-methyl-ureido)-pyrrolidin-1-yl]-ethyl}- 0.69 411.2 3-(2-methyl-quinolin-4-yl)-urea 185. 1-{2-[4-(3-Cyclohexyl-ureido)-piperidin-1-yl]-ethyl}-3- 0.84 453.2 (2-methyl-quinolin-4-yl)-urea 186. 1-{2-[3-(3-Cyclohexyl-ureido)-pyrrolidin-1-yl]-ethyl}-3- 0.83 439.2 (2-methyl-quinolin-4-yl)-urea 187. 1-{2-[3-(3-Cyclohexyl-1-methyl-ureido)-pyrrolidin-1-yl]- 0.84 453.3 ethyl}-3-(2-methyl-quinolin-4-yl)-urea 188. 1-(2-Methyl-quinolin-4-yl)-3-{2-[4-(3-m-tolyl-ureido)- 0.90 461.3 piperidin-1-yl]-ethyl}-urea 189. 1-(2-Methyl-quinolin-4-yl)-3-{2-[3-(3-m-tolyl-ureido)- 0.82 447.2 pyrrolidin-1-yl]-ethyl}-urea 190. 1-(2-Methyl-quinolin-4-yl)-3-{2-[3-(1-methyl-3-m-tolyl- 0.83 461.2 ureido)-pyrrolidin-1-yl]-ethyl}-urea 191. 1-(2-{4-[3-(4-Methoxy-phenyl)-ureido]-piperidin-1-yl}- 0.81 477.3 ethyl)-3-(2-methyl-quinolin-4-yl)-urea 192. 1-(2-{3-[3-(4-Methoxy-phenyl)-ureido]-pyrrolidin-1-yl}- 0.76 463.2 ethyl)-3-(2-methyl-quinolin-4-yl)-urea 193. 1-(2-{3-[3-(4-Methoxy-phenyl)-1-methyl-ureido]- 0.76 477.2 pyrrolidin-1-yl}-ethyl)-3-(2-methyl-quinolin-4-yl)-urea 194. 1-(2-{4-[3-(2-Methoxy-phenyl)-ureido]-piperidin-1-yl}- 0.87 477.3 ethyl)-3-(2-methyl-quinolin-4-yl)-urea 195. 1-(2-{3-[3-(2-Methoxy-phenyl)-ureido]-pyrrolidin-1-yl}- 0.81 463.2 ethyl)-3-(2-methyl-quinolin-4-yl)-urea 196. 1-(2-{3-[3-(2-Methoxy-phenyl)-1-methyl-ureido]- 0.82 477.2 pyrrolidin-1-yl}-ethyl)-3-(2-methyl-quinolin-4-yl)-urea 197. 1-{2-[4-(3-Ethyl-ureido)-piperidin-1-yl]-ethyl}-3-(2- 0.64 399.2 methyl-quinolin-4-yl)-urea 198. 1-{2-[3-(3-Ethyl-ureido)-pyrrolidin-1-yl]-ethyl}-3-(2- 0.63 385.2 methyl-quinolin-4-yl)-urea 199. 1-{2-[3-(3-Ethyl-1-methyl-ureido)-pyrrolidin-1-yl]- 0.66 399.2 ethyl}-3-(2-methyl-quinolin-4-yl)-urea 200. 1-(2-Methyl-quinolin-4-yl)-3-{2-[4-(3-o-tolyl-ureido)- 0.83 461.2 piperidin-1-yl]-ethyl}-urea 201. 1-(2-Methyl-quinolin-4-yl)-3-{2-[3-(3-o-tolyl-ureido)- 0.81 447.2 pyrrolidin-1-yl]-ethyl}-urea 202. 1-(2-Methyl-quinolin-4-yl)-3-{2-[3-(1-methyl-3-o-tolyl- 0.79 461.2 ureido)-pyrrolidin-1-yl]-ethyl}-urea 203. 1-(2-{4-[3-(3-Chloro-phenyl)-ureido]-piperidin-1-yl}- 0.97 481.2 ethyl)-3-(2-methyl-quinolin-4-yl)-urea 204. 1-(2-{3-[3-(3-Chloro-phenyl)-ureido]-pyrrolidin-1-yl}- 0.87 467.2 ethyl)-3-(2-methyl-quinolin-4-yl)-urea 205. 1-(2-{3-[3-(3-Chloro-phenyl)-1-methyl-ureido]- 0.87 481.2 pyrrolidin-1-yl}-ethyl)-3-(2-methyl-quinolin-4-yl)-urea 206. 1-(2-Methyl-quinolin-4-yl)-3-{2-[4-(3-naphthalen-2-yl- 1.02 497.3 ureido)-piperidin-1-yl]-ethyl}-urea 207. 1-(2-Methyl-quinolin-4-yl)-3-{2-[3-(3-naphthalen-2-yl- 0.89 483.2 ureido)-pyrrolidin-1-yl]-ethyl}-urea 208. 1-{2-[3-(1-Methyl-3-naphthalen-2-yl-ureido)-pyrrolidin- 0.89 497.2 1-yl]-ethyl}-3-(2-methyl-quinolin-4-yl)-urea 209. 1-(2-{4-[3-(2,4-Difluoro-phenyl)-ureido]-piperidin-1-yl}- 0.87 483.2 ethyl)-3-(2-methyl-quinolin-4-yl)-urea 210. 1-(2-{3-[3-(2,4-Difluoro-phenyl)-ureido]-pyrrolidin-1- 0.81 469.2 yl}-ethyl)-3-(2-methyl-quinolin-4-yl)-urea 211. 1-(2-{3-[3-(2,4-Difluoro-phenyl)-1-methyl-ureido]- 0.79 483.2 pyrrolidin-1-yl}-ethyl)-3-(2-methyl-quinolin-4-yl)-urea 212. 1-{2-[4-(3-Butyl-ureido)-piperidin-1-yl]-ethyl}-3-(2- 0.76 427.3 methyl-quinolin-4-yl)-urea 213. 1-{2-[3-(3-Butyl-ureido)-pyrrolidin-1-yl]-ethyl}-3-(2- 0.75 413.2 methyl-quinolin-4-yl)-urea 214. 1-{2-[3-(3-Butyl-1-methyl-ureido)-pyrrolidin-1-yl]- 0.78 427.2 ethyl}-3-(2-methyl-quinolin-4-yl)-urea 215. 1-{2-[4-(3-Benzyl-ureido)-piperidin-1-yl]-ethyl}-3-(2- 0.82 461.2 methyl-quinolin-4-yl)-urea 216. 1-{2-[3-(3-Benzyl-ureido)-pyrrolidin-1-yl]-ethyl}-3-(2- 0.80 447.2 methyl-quinolin-4-yl)-urea 217. 1-{2-[3-(3-Benzyl-1-methyl-ureido)-pyrrolidin-1-yl]- 0.79 461.2 ethyl}-3-(2-methyl-quinolin-4-yl)-urea 218. 1-(2-{4-[3-(2-Fluoro-phenyl)-ureido]-piperidin-1-yl}- 0.85 465.2 ethyl)-3-(2-methyl-quinolin-4-yl)-urea 219. 1-(2-{3-[3-(2-Fluoro-phenyl)-ureido]-pyrrolidin-1-yl}- 0.79 451.2 ethyl)-3-(2-methyl-quinolin-4-yl)-urea 220. 1-(2-{3-[3-(2-Fluoro-phenyl)-1-methyl-ureido]- 0.76 465.2 pyrrolidin-1-yl}-ethyl)-3-(2-methyl-quinolin-4-yl)-urea 221. 1-(2-{4-[3-(4-Fluoro-phenyl)-ureido]-piperidin-1-yl}- 0.87 465.2 ethyl)-3-(2-methyl-quinolin-4-yl)-urea 222. 1-(2-{3-[3-(4-Fluoro-phenyl)-ureido]-pyrrolidin-1-yl}- 0.80 451.2 ethyl)-3-(2-methyl-quinolin-4-yl)-urea 223. 1-(2-{3-[3-(4-Fluoro-phenyl)-1-methyl-ureido]- 0.80 465.2 pyrrolidin-1-yl}-ethyl)-3-(2-methyl-quinolin-4-yl)-urea 224. 1-(2-{4-[3-(3-Fluoro-phenyl)-ureido]-piperidin-1-yl}- 0.90 465.2 ethyl)-3-(2-methyl-quinolin-4-yl)-urea 225. 1-(2-{3-[3-(3-Fluoro-phenyl)-ureido]-pyrrolidin-1-yl}- 0.81 451.1 ethyl)-3-(2-methyl-quinolin-4-yl)-urea 226. 1-(2-{3-[3-(3-Fluoro-phenyl)-1-methyl-ureido]- 0.81 465.2 pyrrolidin-1-yl}-ethyl)-3-(2-methyl-quinolin-4-yl)-urea 227. 1-(2-{4-[3-(2-Methyl-benzyl)-ureido]-piperidin-1-yl}- 0.89 475.2 ethyl)-3-(2-methyl-quinolin-4-yl)-urea 228. 1-(2-{3-[3-(2-Methyl-benzyl)-ureido]-pyrrolidin-1-yl}- 0.85 461.2 ethyl)-3-(2-methyl-quinolin-4-yl)-urea 229. 1-(2-{3-[1-Methyl-3-(2-methyl-benzyl)-ureido]- 0.85 475.2 pyrrolidin-1-yl}-ethyl)-3-(2-methyl-quinolin-4-yl)-urea 230. 1-(2-Methyl-quinolin-4-yl)-3-{2-[4-(3-phenethyl- 0.88 475.2 ureido)-piperidin-1-yl]-ethyl}-urea 231. 1-(2-Methyl-quinolin-4-yl)-3-{2-[3-(3-phenethyl- 0.85 461.2 ureido)-pyrrolidin-1-yl]-ethyl}-urea 232. 1-{2-[3-(1-Methyl-3-phenethyl-ureido)-pyrrolidin-1-yl]- 0.86 475.2 ethyl}-3-(2-methyl-quinolin-4-yl)-urea 233. 1-(2-{4-[3-(3-Methoxy-phenyl)-ureido]-piperidin-1-yl}- 0.86 477.3 ethyl)-3-(2-methyl-quinolin-4-yl)-urea 234. 1-(2-{3-[3-(3-Methoxy-phenyl)-ureido]-pyrrolidin-1-yl}- 0.77 463.2 ethyl)-3-(2-methyl-quinolin-4-yl)-urea 235. 1-(2-{3-[3-(3-Methoxy-phenyl)-1-methyl-ureido]- 0.78 477.2 pyrrolidin-1-yl}-ethyl)-3-(2-methyl-quinolin-4-yl)-urea 236. 1-(2-{4-[3-(4-Fluoro-benzyl)-ureido]-piperidin-1-yl}- 0.87 479.2 ethyl)-3-(2-methyl-quinolin-4-yl)-urea 237. 1-(2-{3-[3-(4-Fluoro-benzyl)-ureido]-pyrrolidin-1-yl}- 0.82 465.2 ethyl)-3-(2-methyl-quinolin-4-yl)-urea 238. 1-(2-{3-[3-(4-Fluoro-benzyl)-1-methyl-ureido]- 0.82 479.2 pyrrolidin-1-yl}-ethyl)-3-(2-methyl-quinolin-4-yl)-urea 239. 1-(2-{4-[3-(2-Isopropyl-phenyl)-ureido]-piperidin-1-yl}- 0.98 489.2 ethyl)-3-(2-methyl-quinolin-4-yl)-urea 240. 1-(2-{3-[3-(2-Isopropyl-phenyl)-ureido]-pyrrolidin-1-yl}- 0.95 475.3 ethyl)-3-(2-methyl-quinolin-4-yl)-urea 241. 1-(2-{3-[3-(2-Isopropyl-phenyl)-1-methyl-ureido]- 0.93 489.3 pyrrolidin-1-yl}-ethyl)-3-(2-methyl-quinolin-4-yl)-urea 242. 1-(2-{4-[3-(4-Isopropyl-phenyl)-ureido]-piperidin-1-yl}- 1.05 489.2 ethyl)-3-(2-methyl-quinolin-4-yl)-urea 243. 1-(2-{3-[3-(4-Isopropyl-phenyl)-ureido]-pyrrolidin-1-yl}- 1.00 475.2 ethyl)-3-(2-methyl-quinolin-4-yl)-urea 244. 1-(2-{3-[3-(4-Isopropyl-phenyl)-1-methyl-ureido]- 0.99 489.3 pyrrolidin-1-yl}-ethyl)-3-(2-methyl-quinolin-4-yl)-urea 245. 1-(2-{4-[3-(4-Bromo-phenyl)-ureido]-piperidin-1-yl}- 1.00 525.1 ethyl)-3-(2-methyl-quinolin-4-yl)-urea 246. 1-(2-{3-[3-(4-Bromo-phenyl)-ureido]-pyrrolidin-1-yl}- 0.89 511.1 ethyl)-3-(2-methyl-quinolin-4-yl)-urea 247. 1-(2-{3-[3-(4-Bromo-phenyl)-1-methyl-ureido]- 0.88 525.1 pyrrolidin-1-yl}-ethyl)-3-(2-methyl-quinolin-4-yl)-urea 248. 1-(2-Methyl-quinolin-4-yl)-3-(2-{4-[3-(2-phenoxy- 1.07 539.2 phenyl)-ureido]-piperidin-1-yl}-ethyl)-urea 249. 1-(2-Methyl-quinolin-4-yl)-3-(2-{3-[3-(2-phenoxy- 1.04 525.2 phenyl)-ureido]-pyrrolidin-1-yl}-ethyl)-urea 250. 1-(2-{3-[1-Methyl-3-(2-phenoxy-phenyl)-ureido]- 1.03 539.2 pyrrolidin-1-yl}-ethyl)-3-(2-methyl-quinolin-4-yl)-urea 251. 1-{2-[4-(3-tert-Butyl-ureido)-piperidin-1-yl]-ethyl}-3-(2- 0.76 427.2 methyl-quinolin-4-yl)-urea 252. 1-{2-[3-(3-tert-Butyl-ureido)-pyrrolidin-1-yl]-ethyl}-3-(2- 0.75 413.2 methyl-quinolin-4-yl)-urea 253. 1-{2-[3-(3-tert-Butyl-1-methyl-ureido)-pyrrolidin-1-yl]- 0.79 427.2 ethyl}-3-(2-methyl-quinolin-4-yl)-urea 254. 1-(2-{4-[3-(4-Chloro-phenyl)-ureido]-piperidin-1-yl}- 0.98 481.1 ethyl)-3-(2-methyl-quinolin-4-yl)-urea 255. 1-(2-{3-[3-(4-Chloro-phenyl)-ureido]-pyrrolidin-1-yl}- 0.87 467.2 ethyl)-3-(2-methyl-quinolin-4-yl)-urea 256. 1-(2-{3-[3-(4-Chloro-phenyl)-1-methyl-ureido]- 0.86 481.2 pyrrolidin-1-yl}-ethyl)-3-(2-methyl-quinolin-4-yl)-urea

Example 257 Pyridine-2-carboxylic acid (1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide 257A. (1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-carbamic acid tert-butyl ester

A mixture of pyrrolidin-3-yl-carbamic acid tert-butyl ester (10 mmol), 1-(2-chloro-ethyl)-3-(2-methyl-quinolin-4-yl)-urea (10 mmol), NaHCO₃ (20 mmol), Nal (0.5 mmol), and THF (70 mL) is stirred in a sealed vessel at 70° C. for 6 d. The reaction mixture is filtered, evaporated to dryness, and the residue is purified by preparative HPLC to provide the title compound.

257B. 1-[2-(3-Amino-pyrrolidin-1-yl)-ethyl]-3-(2-methyl-quinolin-4-yl)-urea

A solution of (1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-carbamic acid tert-butyl ester (5.5 mmol) in AcOH (35 mL) is treated with conc. HCl (3.5 mL). After 30 min, the reaction mixture is frozen and lyophylized to provide the title compound as the dihydrochloride salt.

257C. Pyridine-2-carboxylic acid (1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide

To a solution of 1-[2-(3-amino-pyrrolidin-1-yl)-ethyl]-3-(2-methyl-quinolin-4-yl)-urea (0.03 mmol) in DMF (0.3 mL) is added DIPEA (3 eq). The resulting solution is treated with a solution of pyridine-2-carboxylic acid (1.1 eq) in DMF (0.25 mL). A solution of TBTU (1.1 eq) in DMF (0.25 mL) is added. The reaction is stirred at 20 C for 45 min. The reaction mixture is evaporated to dryness. The residue is taken up in CH₃CN/H₂O/TFA (6:10:1; 1 mL) and is purified by preparative HPLC.

The following compounds are prepared analogously:

MS Example t_(r) (ES+) 257. Pyridine-2-carboxylic acid (1-{2-[3-(2-methyl-quinolin- 0.70 419.2 4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide 258. 2-(4-Chloro-phenyl)-N-(1-{2-[3-(2-methyl-quinolin-4- 0.92 480.2 yl)-ureido]-ethyl}-piperidin-4-yl)-acetamide 259. 2-(4-Chloro-phenyl)-N-(1-{2-[3-(2-methyl-quinolin-4- 0.91 466.2 yl)-ureido]-ethyl}-pyrrolidin-3-yl)-acetamide 260. 2-(4-Chloro-phenyl)-N-methyl-N-(1-{2-[3-(2-methyl- 0.92 480.2 quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-acetamide 261. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 0.62 433.2 piperidin-4-yl)-nicotinamide 262. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 0.61 419.2 pyrrolidin-3-yl)-nicotinamide 263. N-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.61 433.2 ethyl}-pyrrolidin-3-yl)-nicotinamide 264. Pyridine-2-carboxylic acid (1-{2-[3-(2-methyl-quinolin- 0.73 433.2 4-yl)-ureido]-ethyl}-piperidin-4-yl)-amide 265. Pyridine-2-carboxylic acid methyl-(1-{2-[3-(2-methyl- 0.66 433.2 quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide 266. 2-(4-Methoxy-phenyl)-N-(1-{2-[3-(2-methyl-quinolin-4- 0.82 476.2 yl)-ureido]-ethyl}-piperidin-4-yl)-acetamide 267. 2-(4-Methoxy-phenyl)-N-(1-{2-[3-(2-methyl-quinolin-4- 0.81 462.2 yl)-ureido]-ethyl}-pyrrolidin-3-yl)-acetamide 268. 2-(4-Methoxy-phenyl)-N-methyl-N-(1-{2-[3-(2-methyl- 0.84 476.2 quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-acetamide 269. Naphthalene-2-carboxylic acid (1-{2-[3-(2-methyl- 0.98 482.2 quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-amide 270. Naphthalene-2-carboxylic acid (1-{2-[3-(2-methyl- 0.89 468.2 quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide 271. Naphthalene-2-carboxylic acid methyl-(1-{2-[3-(2- 0.89 482.3 methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)- amide 272. 2-(4-Isopropyl-phenyl)-N-(1-{2-[3-(2-methyl-quinolin- 1.05 488.3 4-yl)-ureido]-ethyl}-piperidin-4-yl)-acetamide 273. 2-(4-Isopropyl-phenyl)-N-(1-{2-[3-(2-methyl-quinolin- 1.04 474.3 4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-acetamide 274. 2-(4-Isopropyl-phenyl)-N-methyl-N-(1-{2-[3-(2-methyl- 1.05 488.3 quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-acetamide 275. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 0.98 496.2 piperidin-4-yl)-2-naphthalen-1-yl-acetamide 276. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 0.94 482.2 pyrrolidin-3-yl)-2-naphthalen-1-yl-acetamide 277. N-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.95 496.2 ethyl}-pyrrolidin-3-yl)-2-naphthalen-1-yl-acetamide 278. Cyclopentanecarboxylic acid (1-{2-[3-(2-methyl- 0.77 424.2 quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-amide 279. Cyclopentanecarboxylic acid (1-{2-[3-(2-methyl- 0.76 410.2 quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide 280. Cyclopentanecarboxylic acid methyl-(1-{2-[3-(2- 0.82 424.2 methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)- amide 281. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 0.78 432.2 piperidin-4-yl)-benzamide 282. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 0.76 418.2 pyrrolidin-3-yl)-benzamide 283. N-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.77 432.2 ethyl}-pyrrolidin-3-yl)-benzamide 284. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 0.87 460.2 piperidin-4-yl)-2-o-tolyl-acetamide 285. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 0.85 446.2 pyrrolidin-3-yl)-2-o-tolyl-acetamide 286. N-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.87 460.3 ethyl}-pyrrolidin-3-yl)-2-o-tolyl-acetamide 287. 3-(4-Fluoro-phenyl)-N-(1-{2-[3-(2-methyl-quinolin-4- 0.89 478.2 yl)-ureido]-ethyl}-piperidin-4-yl)-propionamide 288. 3-(4-Fluoro-phenyl)-N-(1-{2-[3-(2-methyl-quinolin-4- 0.88 464.2 yl)-ureido]-ethyl}-pyrrolidin-3-yl)-propionamide 289. 3-(4-Fluoro-phenyl)-N-methyl-N-(1-{2-[3-(2-methyl- 0.91 478.2 quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)- propionamide 290. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 0.61 433.2 piperidin-4-yl)-isonicotinamide 291. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 0.61 419.2 pyrrolidin-3-yl)-isonicotinamide 292. N-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.59 433.2 ethyl}-pyrrolidin-3-yl)-isonicotinamide 293. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 0.86 460.3 piperidin-4-yl)-3-phenyl-propionamide 294. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 0.84 446.2 pyrrolidin-3-yl)-3-phenyl-propionamide 295. N-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.88 460.2 ethyl}-pyrrolidin-3-yl)-3-phenyl-propionamide 296. 2-(4-Fluoro-phenyl)-N-(1-{2-[3-(2-methyl-quinolin-4- 0.83 464.2 yl)-ureido]-ethyl}-piperidin-4-yl)-acetamide 297. 2-(4-Fluoro-phenyl)-N-(1-{2-[3-(2-methyl-quinolin-4- 0.82 450.2 yl)-ureido]-ethyl}-pyrrolidin-3-yl)-acetamide 298. 2-(4-Fluoro-phenyl)-N-methyl-N-(1-{2-[3-(2-methyl- 0.86 464.2 quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-acetamide 299. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 0.94 474.3 piperidin-4-yl)-3-p-tolyl-propionamide 300. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 0.93 460.2 pyrrolidin-3-yl)-3-p-tolyl-propionamide 301. N-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.97 474.3 ethyl}-pyrrolidin-3-yl)-3-p-tolyl-propionamide 302. 3-(2-Methoxy-phenyl)-N-(1-{2-[3-(2-methyl-quinolin-4- 0.91 490.3 yl)-ureido]-ethyl}-piperidin-4-yl)-propionamide 303. 3-(2-Methoxy-phenyl)-N-(1-{2-[3-(2-methyl-quinolin-4- 0.88 476.3 yl)-ureido]-ethyl}-pyrrolidin-3-yl)-propionamide 304. 3-(2-Methoxy-phenyl)-N-methyl-N-(1-{2-[3-(2-methyl- 0.91 490.3 quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)- propionamide 305. 3-(4-Methoxy-phenyl)-N-(1-{2-[3-(2-methyl-quinolin-4- 0.87 490.3 yl)-ureido]-ethyl}-piperidin-4-yl)-propionamide 306. 3-(4-Methoxy-phenyl)-N-(1-{2-[3-(2-methyl-quinolin-4- 0.86 476.3 yl)-ureido]-ethyl}-pyrrolidin-3-yl)-propionamide 307. 3-(4-Methoxy-phenyl)-N-methyl-N-(1-{2-[3-(2-methyl- 0.89 490.3 quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)- propionamide 308. 3-(3-Methoxy-phenyl)-N-(1-{2-[3-(2-methyl-quinolin-4- 0.88 490.2 yl)-ureido]-ethyl}-piperidin-4-yl)-propionamide 309. 3-(3-Methoxy-phenyl)-N-(1-{2-[3-(2-methyl-quinolin-4- 0.87 476.2 yl)-ureido]-ethyl}-pyrrolidin-3-yl)-propionamide 310. 3-(3-Methoxy-phenyl)-N-methyl-N-(1-{2-[3-(2-methyl- 0.89 490.2 quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)- propionamide 311. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 0.80 446.2 piperidin-4-yl)-2-phenyl-acetamide 312. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 0.79 432.2 pyrrolidin-3-yl)-2-phenyl-acetamide 313. N-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.82 446.2 ethyl}-pyrrolidin-3-yl)-2-phenyl-acetamide 314. 4-Fluoro-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.83 450.2 ethyl}-piperidin-4-yl)-benzamide 315. 4-Fluoro-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.80 436.2 ethyl}-pyrrolidin-3-yl)-benzamide 316. 4-Fluoro-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 0.78 450.2 ureido]-ethyl}-pyrrolidin-3-yl)-benzamide 317. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 0.88 460.2 piperidin-4-yl)-2-m-tolyl-acetamide 318. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 0.87 446.2 pyrrolidin-3-yl)-2-m-tolyl-acetamide 319. N-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.91 460.2 ethyl}-pyrrolidin-3-yl)-2-m-tolyl-acetamide 320. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 0.89 460.2 piperidin-4-yl)-2-p-tolyl-acetamide 321. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 0.87 446.3 pyrrolidin-3-yl)-2-p-tolyl-acetamide 322. N-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.91 460.2 ethyl}-pyrrolidin-3-yl)-2-p-tolyl-acetamide 323. 3-Chloro-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.91 466.1 ethyl}-piperidin-4-yl)-benzamide 324. 3-Chloro-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.85 452.1 ethyl}-pyrrolidin-3-yl)-benzamide 325. 3-Chloro-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 0.84 466.2 ureido]-ethyl}-pyrrolidin-3-yl)-benzamide 326. Quinoline-6-carboxylic acid (1-{2-[3-(2-methyl- 0.67 483.2 quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-amide 327. Quinoline-6-carboxylic acid (1-{2-[3-(2-methyl- 0.66 469.2 quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide 328. Quinoline-6-carboxylic acid methyl-(1-{2-[3-(2-methyl- 0.63 483.2 quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide 329. 4-tert-Butyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 1.06 488.3 ethyl}-piperidin-4-yl)-benzamide 330. 4-tert-Butyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 1.04 474.2 ethyl}-pyrrolidin-3-yl)-benzamide 331. 4-tert-Butyl-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4- 1.05 488.3 yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzamide 332. 2-(4-Dimethylamino-phenyl)-N-(1-{2-[3-(2-methyl- 0.64 489.3 quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-acetamide 333. 2-(4-Dimethylamino-phenyl)-N-(1-{2-[3-(2-methyl- 0.62 475.2 quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-acetamide 334. 2-(4-Dimethylamino-phenyl)-N-methyl-N-(1-{2-[3-(2- 0.65 489.3 methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)- acetamide 335. 2,4-Dimethoxy-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 0.89 492.2 ureido]-ethyl}-piperidin-4-yl)-benzamide 336. 2,4-Dimethoxy-N-(1-{2-[3-(2-methyl-quinolin-4-yl)- 0.83 478.2 ureido]-ethyl}-pyrrolidin-3-yl)-benzamide 337. 2,4-Dimethoxy-N-methyl-N-(1-{2-[3-(2-methyl- 0.81 492.2 quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzamide 338. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 1.00 497.2 piperidin-4-yl)-4-pyrrol-1-yl-benzamide 339. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 0.95 483.2 pyrrolidin-3-yl)-4-pyrrol-1-yl-benzamide 340. N-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.95 497.2 ethyl}-pyrrolidin-3-yl)-4-pyrrol-1-yl-benzamide 341. 2-(4-Bromo-phenyl)-N-(1-{2-[3-(2-methyl-quinolin-4- 0.95 524.1 yl)-ureido]-ethyl}-piperidin-4-yl)-acetamide 342. 2-(4-Bromo-phenyl)-N-(1-{2-[3-(2-methyl-quinolin-4- 0.93 510.1 yl)-ureido]-ethyl}-pyrrolidin-3-yl)-acetamide 343. 2-(4-Bromo-phenyl)-N-methyl-N-(1-{2-[3-(2-methyl- 0.94 524.1 quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-acetamide 344. 4-Benzoyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 1.03 536.2 ethyl}-piperidin-4-yl)-benzamide 345. 4-Benzoyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.99 522.2 ethyl}-pyrrolidin-3-yl)-benzamide 346. 4-Benzoyl-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4- 0.98 536.2 yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzamide 347. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 0.60 370.2 piperidin-4-yl)-acetamide 348. N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}- 0.59 356.2 pyrrolidin-3-yl)-acetamide 349. N-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]- 0.62 370.2 ethyl}-pyrrolidin-3-yl)-acetamide 350. 4-Methoxy-cyclohexanecarboxylic acid (1-{2-[3-(2- 0.74 468.3 methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)- amide 351. 4-Methoxy-cyclohexanecarboxylic acid (1-{2-[3-(2- 0.75 468.3 methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)- amide 352. 1-[2-(4-Benzyl-piperidin-1-yl)-ethyl]-3-(2-methyl- 0.7 403.3 quinolin-4-yl)-urea 353. 4-Methoxy-cyclohexanecarboxylic acid (1-{2-[3-(2- 0.72 454.2 methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)- amide 354. 4-Methoxy-cyclohexanecarboxylic acid (1-{2-[3-(2- 0.75 454.2 methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)- amide 355. 4-Methoxy-cyclohexanecarboxylic acid methyl-(1-{2- 0.73 468.2 [3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3- yl)-amide 356. 4-Methoxy-cyclohexanecarboxylic acid methyl-(1-{2- 0.78 468.3 [3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3- yl)-amide

Example 357 1-[2-(4-Phenoxy-piperidin-1-yl)-ethyl]-3-quinolin-4-yl-urea 357A. 1-(2-Chloroethyl)-3-quinolin-4-yl-urea

To a solution of 4-aminoquinoline (3.46 g, 24 mmol) in dry THF is added chloroethylisocyanate (3.1 mL, 36 mmol). The reaction mixture is stirred for 18 h. MeOH (10 mL) is added, and stirring is continued for an additional hour. The reaction mixture is evaporated, and partitioned between DCM and aqueous 5% citric acid (150 mL). The aqueous layer is carefully adjusted to pH 9 with solid NaHCO₃. The precipitate is filtered, washed with H₂O (5×20 mL) and Et₂O (2×20 mL), and dried in vacuo at 45° C. to provide the title compound.

357B. 1-Benzyl-4-phenoxy-piperidine

To a cold (0° C.) mixture of phenol (190 mg, 2.02 mmol) and triphenylphosphine (680 mg, 2.6 mmol) in dry THF (6.4 mL) is added dropwise over 30 min a solution of 1-benzyl-piperidin-4-ol (490 mg, 2.6 mmol) and diethylazadicarboxylate (0.41 mL, 2.6 mmol) in dry THF (4.8 mL). The mixture is stirred at room temperature under nitrogen for 20 h. The mixture is dissolved in EtOAc, washed with sat. NaHCO₃ (2×20 mL), dried (MgSO₄), filtered and concentrated to provide a crude oil. Flash chromatography (EtOAc/Hex: 3/7) provides the title compound.

357C. 4-Phenoxy-piperidine

A mixture of 1-benzyl-4-phenoxy-piperidine (420 mg, 1.6 mmol), Pd—C 10% (10 mg) and TFA (0.18 mL, 1,6 mmol) in MeOH (5 mL) is hydrogenated at room temperature and atmospheric pressure for 20 h. The mixture is filtered over Celite and the filtrate is concentrated under reduced pressure. The residue is dissolved in CH₂Cl₂, washed with sat. NaHCO₃, filtered and concentrated to provide the title compound.

357D. 1-[2-(4-Phenoxy-piperidin-1-yl)-ethyl]-3-quinolin-4-yl-urea

To a solution of 4-phenoxy-piperidine (0.03 mmol) in dry THF (1 mL) is added 1-(2-chloro-ethyl)-3-quinolin-4-yl-urea (0.03 mmol), solid NaHCO₃ (2.5 mg), and Nal (1 mg). The flask is tightly sealed, and shaken at 70° C. for 6 days. The reaction mixture is evaporated, taken up in aqueous formic acid, and purified by preparative HPLC to provide the title compound.

The following compounds are prepared in an analogous fashion. Values in parentheses are obtained by analytical Method B as described in the Experimental Section above.

MS Example t_(r) (ES+) 357. 1-[2-(4-Phenoxy-piperidin-1-yl)-ethyl]-3- (2.58) 391 quinolin-4-yl-urea 358. 1-{2-[4-(2-Methoxy-phenoxy)-piperidin-1- (2.66) 421 yl]-ethyl}-3-quinolin-4-yl-urea 359. 1-Quinolin-4-yl-3-[2-(4-o-tolyloxy-piperidin- (3.68) 405 1-yl)-ethyl]-urea 360. 1-{2-[4-(2-Methoxy-phenoxy)-piperidin-1- (2.70) 435 yl]-ethyl}-3-(2-methyl-quinolin-4-yl)-urea 361. 1-(2-Methyl-quinolin-4-yl)-3-[2-(4-phenoxy- (2.58) 405 piperidin-1-yl)-ethyl]-urea 362. 1-(2-Methyl-quinolin-4-yl)-3-[2-(4-o-tolyloxy- (3.65) 419 piperidin-1-yl)-ethyl]-urea

Example 363 1-{2-[4-(2-Methoxy-phenyl)-piperidin-1-yl]-ethyl}-3-(2-methyl-quinolin-4-y)-urea 363A. 4-Trifluoromethanesulfonyl-3,6-dihydro-2H-pyridine-1-carboxylic acid tert-butyl ester

To a cooled (−78° C.) solution of LDA (2.76 mL, 5.52 mmol) in anhydrous THF (6 mL), is added dropwise a solution of 4-oxo-piperidine-1-carboxylic acid tert-butyl ester (1 g, 5.02 mmol) in anhydrous THF (6 mL). After stirring at −78° C. for 20 min, a solution of N-phenyltrifluoromethanesulfonimide (1.91 g, 5.34 mmol) in anhydrous THF (6 mL) is added dropwise. The mixture is stirred at 0° C. for 3 h and then concentrated in vacuo. The resulting oil is dissolved in CH₂Cl₂ (3 mL) and loaded onto a pad of neutral alumina and eluted with (Hex/EtOAc, 9/1) to provide the title compound.

363B. 4-(2-Methoxy-phenyl)-3,6-dihydro-2H-pyridine-1-carboxylic acid tert-butyl ester

A three necked flask purged with nitrogen is charged with aqueous 2N Na₂CO₃ (1.4 mL), 1,2-dimethoxyethane (3.7 mL), 2-methoxyphenyl boronic acid (206 mg, 1.35 mmol), anhydrous lithium chloride (123 mg, 2.9 mmol), 4-trifluoromethanesulfonyl-3,6-dihydro-2H-pyridine-1-carboxylic acid tert-butyl ester (321 mg, 0.96 mmol) and tetrakis(triphenylphosphine)palladium (56 mg, 0.048 mmol). The mixture is stirred at reflux for 2 h under nitrogen, cooled and concentrated under reduced pressure. The residue is partitioned between CH₂Cl₂ (10 mL), aqueous 2N Na₂CO₃ (10 mL), and concentrated NH₄OH (1 mL). The aqueous layer is extracted twice with CH₂Cl₂. The combined organic layers are dried (MgSO₄), filtered and concentrated to provide a crude oil. Flash chromatography (Hex/AcOEt/CH₂Cl₂: 5/1/1) provides the title compound.

363C. 4-(2-Methoxy-phenyl)-piperidine-1-carboxylic acid tert-butyl ester

A mixture of 4-(2-methoxy-phenyl)-3,6-dihydro-2H-pyridine-1-carboxylic acid tert-butyl ester (200 mg, 0.69 mmol), Pd—C 10% (30 mg) in EtOAc (5 mL) is hydrogenated at room temperature and atmospheric pressure for 20 h. The mixture is filtered over Celite, and the filtrate is evaporated to provide the title compound.

363D. 4-(2-Methoxy-phenyl)-piperidine

A mixture of 4-(2-methoxy-phenyl)-piperidine-1-carboxylic acid tert-butyl ester (190 mg, 0.65 mmol), and TFA (0.35 mL, 4.8 mmol) in dry CH₂Cl₂ (5 mL) is stirred at room temperature under nitrogen for 2 h. The mixture is concentrated under reduced pressure, and the residue is combined with CH₂Cl₂/sat. aqueous NaHCO₃. The aqueous layer is extracted twice with CH₂Cl₂, the combined organic extracts are washed with brine, dried (MgSO₄), filtered and concentrated to provide the title compound.

363E. 1-{2-[4-(2-Methoxy-phenyl)-piperidin-1-yl]-ethyl}3-(2-methyl-quinolin-4-yl)-urea

To a solution of 4-(2-methoxy-phenyl)-piperidine (0.03 mmol) in dry THF (1 mL) is added 1-(2-chloro-ethyl)-3-quinolin-4-yl-urea (0.03 mmol), solid NaHCO₃ (2.5 mg), and NaI (1 mg). The flask is tightly sealed, and shaken at 70° C. for 6 days. The reaction mixture is evaporated, taken up in aqueous formic acid, and purified by preparative HPLC to provide the title compound.

The following compounds are prepared in an analogous fashion. Values in parentheses are obtained by analytical Method B as described in the Experimental Section above.

MS Example t_(r) (ES+) 363. 1-{2-[4-(2-Methoxy-phenyl)-piperidin-1- (3.68) 419 yl]-ethyl}-3-(2-methyl-quinolin-4-yl)-urea 364. 1-[2-(4-Phenyl-piperidin-1-yl)-ethyl]-3- (3.49) 375 quinolin-4-yl-urea 365. 1-(2-Methyl-quinolin-4-yl)-3-[2-(4-phenyl- (3.56) 389 piperidin-1-yl)-ethyl]-urea 366. 1-Quinolin-4-yl-3-[2-(4-o-tolyl-piperidin-1- (3.63) 389 yl)-ethyl]-urea 367. 1-(2-Methyl-quinolin-4-yl)-3-[2-(4-o-tolyl- (3.72) 403 piperidin-1-yl)-ethyl]-urea

Example 368 1-[2-(4-Hydroxy-4-p-tolyl-piperidin-1-yl)-ethyl]-3-(2-methyl-quinolin-4-yl)-urea 368A. 1-Benzyl-4-p-tolyl-piperidin-4-ol

A solution of 4-bromotoluene (1.017 g, 5.94 mmol) in anhydrous Et₂O (6 mL), is added dropwise to a mixture of Mg (0.159 g, 6.54 mmol) and a catalytic amount of I₂ (0.015 g, 0.26 mmol) in anhydrous Et₂O (10 mL). The mixture is stirred at reflux for 5 h under nitrogen. To this cloudy solution is added dropwise at 0° C., a solution of N-benzyl-4-piperidone (1.063 mL, 5.94 mmol) in anhydrous Et₂O (6 mL) and the mixture is stirred at reflux for 1.5 h. After cooling, the mixture is poured into sat. NH₄Cl (20 mL) and extracted with EtOAc (3×30 mL). The combined organic extracts are washed with brine, dried (MgSO₄), filtered and concentrated to provide a crude oil. Flash chromatography (EtOAc/Hex: 3/7) affords the title compound.

368B. 4-p-Tolyl-piperidin-4-ol

A mixture of 1-benzyl-4-p-tolyl-piperidin-4-ol (350 mg, 1.243 mmol), and Pd—C 10% (55 mg) in EtOAc (7 mL) is hydrogenated at room temperature and atmospheric pressure for 20 h. The mixture is filtered over Celite, and the filtrate is evaporated to provide the title compound.

368C. 1-[2-(4-Hydroxy-4-p-tolyl-piperidin-1-yl)-ethyl]-3-(2-methyl-quinolin-4-yl)-urea

To a solution of 4-p-tolyl-piperidin-4-ol (0.03 mmol) in dry THF (1 mL) is added 1-(2-chloro-ethyl)-3-(2-methyl-quinolin-4-yl)-urea (0.03 mmol), solid NaHCO₃ (2.5 mg), and Nal (1 mg). The flask is tightly sealed, and shaken at 70° C. for 6 days. The reaction mixture is evaporated, taken up in aqueous formic acid, and purified by preparative HPLC to provide the title compound.

MS Example t_(r) (ES+) 368. 1-[2-(4-Hydroxy-4-p-tolyl-piperidin-1-yl)- 0.95 419.5 ethyl]-3-(2-methyl-quinolin-4-yl)-urea

Example 369 1-[2-(4-Benzyl-4-hydroxy-piperidin-1-yl)-ethyl]-3-(2-methyl-quinolin-4-yl)-urea

To a solution of 4-hydroxy-4-benzyl-piperidine (380.6 mg, 2 mmol) in dry THF (10 mL) is added 1-(2-chloro-ethyl)-3-(2-methyl-quinolin-4-yl)-urea (263.7 mg, 1 mmol) and solid NaHCO₃ (672 mg, 8 mmol). The reaction mixture is stirred at 45° C. for 6 days. The reaction mixture is diluted with CH₂Cl₂ (100 mL) and washed with sat. Na₂CO₃ (2×30 mL). The aqueous phase is re-extracted with CH₂Cl₂ (2×25 mL), the combined organic phases are washed with brine (20 mL), dried (Na₂SO₄), filtered and evaporated. The residue is purified by preparative HPLC to provide the title compound.

The following compounds are prepared in an analogous fashion. Values in parentheses are obtained by analytical Method B as described in the Experimental Section above.

MS Example t_(r) (ES+) 369. 1-[2-(4-Benzyl-4-hydroxy-piperidin-1-yl)- 0.89 419.2 ethyl]-3-(2-methyl-quinolin-4-yl)-urea 370. 1-[2-(4-Hydroxy-4-phenyl-piperidin-1-yl)- 1.09 405.2 ethyl]-3-(2-methyl-quinolin-4-yl)-urea 371. 1-{2-[4-(4-Chloro-phenyl)-4-hydroxy- (2.54) 425 piperidin-1-yl]-ethyl}-3-quinolin-4- yl-urea 372. 1-{2-[4-(4-Chloro-phenyl)-4-hydroxy- (2.79) 439 piperidin-1-yl]-ethyl}-3-(2-methyl- quinolin-4-yl)-urea 373. 1-{2-[4-(4-Bromo-phenyl)-4-hydroxy- (2.68) 470 piperidin-1-yl]-ethyl}-3-quinolin-4- yl-urea 374. 1-{2-[4-(4-Bromo-phenyl)-4-hydroxy- (2.58) 484 piperidin-1-yl]-ethyl}-3-(2-methyl- quinolin-4-yl)-urea 375. 1-[2-(4-Benzyl-piperidin-1-yl)-ethyl]-3- 1.02 389.2 quinolin-4-yl-urea 376. 1-[2-(4-Benzyl-piperidin-1-yl)-ethyl]-3- 0.7 403.3 (2-methyl-quinolin-4-yl)-urea 377. 1-[2-(4-Benzyl-4-hydroxy-piperidin-1-yl)- 0.87 405.2 ethyl]-3-quinolin-4-yl-urea 378. 1-{2-[4-(Hydroxy-diphenyl-methyl)- 1.02 481.6 piperidin-1-yl]-ethyl}-3-quinolin-4-yl-urea 379. 1-[2-(4-Benzoyl-piperidin-1-yl)-ethyl]-3- (2.73) 401.6 quinolin-4-yl-urea 380. 1-[2-(4-Benzoyl-piperidin-1-yl)-ethyl]-3- (3.44) 417.3 (2-methyl-quinolin-4-yl)-urea

Example 381 3-[2-(4-Benzyl-piperidin-1-yl)-ethyl]-1-methyl-1-(2-methyl-quinolin-4-yl)-urea 381A. (2-Bromo-ethyl)-carbamic acid tert-butyl ester

To 1 N aqueous NaOH (200 mL) is added MeOH (400 mL) and the resulting solution is cooled to 20° C. 2-Bromoethylamine hydrobromide (25.0 g, 122 mmol) is added in a single portion, followed by di-tert-butyl dicarbonate (26.6 g, 122 mmol). The reaction mixture is stirred for 2.5 h. The MeOH is removed on a rotary evaporator, and the aqueous suspension is extracted with CH₂Cl₂ (2×175 mL). The combined organic extracts are extracted with 5% aqueous citric acid (300 mL), dried (MgSO₄), filtered, and evaporated to provide the title compound.

381B. [2-(4-Benzyl-piperidin-1-yl)-ethyl]-carbamic acid tert-butyl ester

A mixture of 4-benzyl-piperidine (876 mg, 5.0 mmol), (2-bromo-ethyl)-carbamic acid tert-butyl ester (1.12 g, 5.0 mmol) and DIPEA (650 mg, 5 mmol) in THF (30 mL) is heated at reflux for 15 h. The solution is poured into ether (150 mL) and extracted with saturated Na₂CO₃ (2×50 mL) and brine (30 mL), dried (Na₂SO₄), filtered and concentrated to provide a crude oil. Flash chromatography (EtOAc/heptane: 3/2) provides the title compound.

381C. 2-(4-Benzyl-piperidin-1-yl)-ethylamine

[2-(4-Benzyl-piperidin-1-yl)-ethyl]-carbamic acid tert-butyl ester (1.34 g, 4.2 mmol) is dissolved in CHCl₃ (3 mL) and treated with TFA (3 mL) for 2 h at 20° C. The solvent is evaporated, the residue dissolved CH₂Cl₂ (100 mL) and washed with 1M aqueous NaOH (2×30 mL). The organic layer is dried (Na₂SO₄), filtered and concentrated to provide the title compound.

381 D. Methyl-(2-methyl-quinolin-4-yl)-amine

A mixture of 4-chloro-2-methyl-quinoline (4.36 g, 24.5 mmol) and benzylmethylamine (3.13 g, 25.8 mmol) is heated under N₂ at 120° C. for 12 h. The residue is dissolved in CH₂Cl₂ (50 ml) and washed successively with aqueous saturated Na₂CO₃ (50 mL) and 1M aqueous NaOH (50 ml). The CH₂Cl₂ layer is evaporated, and the residue is dissolved in MeOH (400 mL) and 4M HCl in dioxane (12 mL). 10% Pd—C (410 mg) are added and the suspension is hydrogenated for 15 h under ambient pressure. The reaction mixture is filtered through a pad of Celite. 1M aqueous NaOH (100 mL) is added and the filtrate is evaporated. The residue is dissolved in water and extracted with CH₂Cl₂ (3×50 mL). The combined organic extracts are dried and evaporated to provide the title compound.

381E. 3-[2-(4-Benzyl-piperidin-1-yl)-ethyl]-1-methyl-1-(2-methyl-quinolin-4-yl)-urea

To a stirred solution of CDI (178 mg, 1.1 mmol) in DMSO (5 mL) is added a solution of 2-(4-benzyl-piperidin-1-yl)-ethylamine (218 mg, 1 mmol) in DMSO (1 mL). The reaction mixture is stirred at 20° C. for 3 h. Methyl-(2-methyl-quinolin-4-yl)-amine (173 mg, 1 mmol) is added. To the resulting solution is added in a single portion NaHMDS (2 M in THF, 1.25 mL, 2.5 mmol). The reaction mixture is stirred at 20° C. for 24 h, then H₂O (0.4 mL) is added. The reaction mixture is evaporated and the residue purified by preparative HPLC to provide the title compound.

MS Example t_(r) (ES+) 381. 3-[2-(4-Benzyl-piperidin-1-yl)-ethyl]- 0.58 417.12 1-methyl-1-(2-methyl-quinolin-4-yl)-urea

Example 382 1-[3-(4-Benzyl-4-hydroxy-piperidin-1-yl)-propyl]-3-(2-methyl-quinolin-4-yl)-urea 382A. 1-(3-Chloro-propyl)-3-(2-methyl-quinolin-4-yl)-urea

The title compound is prepared from 4-amino-2-methylquinoline and 3-chloropropylisocyanate by the method used in the preparation of Example 1A, 1-(2-chloroethyl)-3-(2-methyl-quinol-4-yl)-urea.

382B. 1-[3-(4-Benzyl-4-hydroxy-piperidin-1-yl)-propyl]-3-(2-methyl-quinolin-4-yl)-urea

Prepared from 4-hydroxy-4-benzyl-piperidine and 1-(3-chloro-propyl)-3-(2-methyl-quinolin-4-yl)-urea using the method exemplified with Example 341, 1-[2-(4-hydroxy-4-p-tolyl-piperidin-1-yl)-ethyl]-3-(2-methyl-quinolin-4-yl)-urea.

The following compounds are prepared in an analogous fashion.

MS Example t_(r) (ES+) 382. 1-[3-(4-Benzyl-4-hydroxy-piperidin-1-yl)- 0.90 433.2 propyl]-3-(2-methyl-quinolin-4-yl)-urea 383. 1-[3-(4-Benzyl-4-hydroxy-piperidin-1-yl)- 0.86 419.2 propyl]-3-quinolin-4-yl-urea

Example 384 1-[(S)-1-(4-Benzyl-piperidin-1-ylmethyl)-2-methyl-propyl]-3-(2-methyl-quinolin-4-yl)-urea 384A. 1,3-Bis-(2-methyl-quinolin-4-yl)-urea

To a suspension of 4-amino-2-methylquinoline (20.24 g, 128 mmol) in THF (100 mL) is added CDl (13.9 g, 85 mmol). The mixture is heated at reflux for 15 h. The resulting precipitate is filtered, stirred with water (100 mL) for 6 h and filtered again. The filtercake is washed with water (20 mL), THF (20 mL) and dried to provide the title compound.

384B. (S)-3-Methyl-2-[3-(2-methyl-quinolin-4-yl)-ureido]-butyric acid

A suspension of 1,3-bis-(2-methyl-quinolin-4-yl)-urea (342.4 mg, 1 mmol), valin methyl ester hydrochloride (167.6 mg, 1 mmol) and DIPEA (0.34 mL, 2 mmol) in MeOH (10 mL) is heated at 80° C. for 15 h. The solvent is evaporated and the residue is dissolved in 6N aqueous HCl (6 mL). The reaction mixture is heated at 90° C. for 12 h. Evaporation and purification by preparative HPLC provides the title compound.

384C. 1-[(S)-1-(4-Benzyl-piperidine-1-carbonyl)-2-methyl-propyl]-3-(2-methyl-quinolin-4-yl)-urea

To a solution of (S)-3-methyl-2-[3-(2-methyl-quinolin-4-yl)-ureido]-butyric acid hydrochloride (337.8 mg, 1 mmol), 4-benzylpiperidine (175.3 mg, 1 mmol), HOBt (183 mg, 1.2 mmol) and TEA (0.35 mL, 2.5 mmol) in DMF (10 mL) is added EDC (230.0 mg, 1.2 mmol). The mixture is stirred for 15 h at room temperature and then quenched with sat. aqueous Na₂CO₃ (30 mL). The aqueous phase is extracted with CH₂Cl₂ (3×20 mL). The combined extracts are dried (Na₂SO₄), filtered and evaporated. The residue is purified by flash chromatography (SiO₂, CH₂Cl₂/MeOH, 5/1) to provide the title compound.

384D. 1-[(S)-1-(4-Benzyl-piperidin-1-ylmethyl)-2-methyl-propyl]-3-(2-methyl-quinolin-4-yl)-urea

To a solution of 1-[(S)-1-(4-benzyl-piperidine-1-carbonyl)-2-methyl-propyl]-3-(2-methyl-quinolin-4-yl)-urea in THF (10 mL) is added at 0° C. LiAlH₄ (40 mg, 1 mmol). The reaction mixture is stirred at room temperature for 15 h and then quenched with EtOAc (1 mL) and sat. NaHCO₃ (0.2 mL). The resulting precipitate is removed by filtration and the filtercake washed with MeOH (2×5 mL). The mixture is evaporated and the residue purified by TLC (SiO₂, CH₂Cl₂/MeOH, 5/1) to provide the title compound.

The following compounds are prepared in an analogous fashion.

MS Example t_(r) (ES+) 384. 1-[(S)-1-(4-Benzyl-piperidin-1-ylmethyl)- 0.78 445.25 2-methyl-propyl]-3-(2-methyl-quinolin-4- yl)-urea 385. 1-[(S)-1-Benzyl-2-(4-benzyl-piperidin-1- 0.82 493.24 yl)-ethyl]-3-(2-methyl-quinolin-4-yl)-urea 386. 1-[(S)-1-(4-Benzyl-piperidin-1-ylmethyl)- 0.81 459.27 3-methyl-butyl]-3-(2-methyl-quinolin-4- yl)-urea 387. 1-[(S)-2-(4-Benzyl-piperidin-1-yl)-1- 0.75 417.19 methyl-ethyl]-3-(2-methyl-quinolin-4-yl)- urea

Example 388 1-[2-(4-Benzyl-4-hydroxy-piperidin-1-yl)-2-phenyl-ethyl]-3-(2-methyl-quinolin-4-yl)-urea 388A. 1-(2-Amino-1-phenyl-ethyl)-4-benzyl-piperidin-4-ol

To a suspension of 4-benzyl-piperidin-4-ol (1.0 g, 5.2 mmol), benzaldehyde (0.83 g, 7.8 mmol) and MgSO₄ (0.31 g, 2.6 mmol) in 1-methyl-2-pyrrolidone (5 mL) is added acetone cyanohydrine (0.45 g, 5.2 mmol). The reaction mixture is heated at 50° C. for 2 h, then cooled to room temperature and quenched with ice (20 g) and sat. NaHCO₃ (50 mL). The aqueous phase is extracted with Et₂O (3×100 mL), the combined organic extracts are washed with sat. NaCl (20 mL), dried (Na₂SO₄), filtered and evaporated. The residue is dissolved in THF (20 mL) and added to a suspension of LiAlH₄ (1.1 g, 27.6 mmol) in THF (80 mL) at 0° C. The reaction mixture is stirred for 15 h at room temperature and quenched with EtOAc (250 mL), MeOH (20 mL) and sat. NaHCO₃ (5 mL). The precipitate is filtered off, washed with MeOH (20 mL) and the filtrate evaporated. Purification by preparative HPLC provides the title compound.

388B. 2-Methyl-quinoline-4-carboxylic acid

The compound is prepared from isatin and acetone using the method of Keneko C. et al., Chem. Pharm. Bull. (1980)28, 1157-1171.

388C. 4-Isocyanato-2-methyl-quinoline

To a solution of 2-methyl-quinoline-4-carboxylic acid (276 mg, 1.2 mmol) in DMF (4 mL) at 0° C. is added triethylamine (1.22 mg, 1.2 mmol) and slowly (30 min) DPPA (332 mg, 1.2 mmol). The reaction mixture is stirred for 2 h at 0° C. and 12 h at 20° C. The reaction is quenched with ice (10 g) and extracted with Et₂O (6×30 mL). The combined organic extracts are washed successively with saturated NaHCO₃ (2×15 mL) and water (2×10 mL), and are evaporated without heating in vacuo. The residue is dissolved in dry toluene and heated at reflux for 2 h. The resulting solution is carried forward without further isolation of the title compound.

388D. 1-[2-(4-Benzyl-4-hydroxy-piperidin-1-yl)-2-phenyl-ethyl]-3-(2-methyl-quinolin-4-yl)-urea

To a solution of 1-(2-amino-1-phenyl-ethyl)₄-benzyl-piperidin-4-ol (54.3 mg, 0.18 mmol) in CH₂Cl₂ is added a freshly prepared solution of 4-isocyanato-2-methyl-quinoline (33.8 mg, 0.16 mmol) in toluene (2 mL). The mixture is stirred for 15 h at 20° C. Evaporation of the solvent and purification by HPLC provides the title compound.

MS Example t_(r) (ES+) 388. 1-[2-(4-Benzyl-4-hydroxy-piperidin-1-yl)- 0.67 495.41 2-phenyl-ethyl]-3-(2-methyl-quinolin-4-yl)- urea

Example 389 1-[2-(4-Benzyl-4-hydroxy-piperidin-1-yl)-ethyl]-3-(2-cyclopropyl-quinolin-4-yl)-urea 389A. 1-(2-Amino-ethyl)-4-benzyl-piperidin-4-ol

The title compound is prepared from 4-hydroxy-4-benzyl-piperidine using the method for the preparation of Example 381C.

389B. 2-Cyclopropyl-quinoline-4-carboxylic acid

The compound is prepared from isatin and cyclopropylmethylketone using the method of Keneko C. et al., Chem. Pharm. Bull. (1980) 28, 1157-1171.

389C. 1-[2-(4-Benzyl-4-hydroxy-piperidin-1-yl)-ethyl]-3-(2-cyclopropyl-quinolin-4-yl)-urea

The compound is prepared from 1-(2-amino-ethyl)-4-benzyl-piperidin-4-ol and 2-cyclopropyl-quinoline-4-carboxylic acid according to the method described for Example 388D.

MS Example t_(r) (ES+) 389. 1-[2-(4-Benzyl-4-hydroxy-piperidin-1-yl)- 1.16 445.2 ethyl]-3-(2-cyclopropyl-quinolin-4-yl)-urea

Example 390 1-[2-(4-Benzyl-4-hydroxy-piperidin-1-yl)-ethyl]-3-(8-benzyl-2-methyl-quinolin-4-yl)-urea 390A. 8-Benzyl-2-methyl-quinoline-4-carboxylic acid

The compound is prepared from 2-benzylaniline, acetaldehyde and pyruvic acid using the method of Irving, Clifton, J. Chem. Soc. (1959) 288.

390B. 1-[2-(4-Benzyl-4-hydroxy-piperidin-1-yl)-ethyl]-3-(8-benzyl-2-methyl-quinolin-4-yl)-urea

The compound is prepared from 1-(2-amino-ethyl)-4-benzyl-piperidin-4-ol and 8-benzyl-2-methyl-quinoline-4-carboxylic acid according to the method described for Example 388D.

MS Example t_(r) (ES+) 390. 1-[2-(4-Benzyl-4-hydroxy-piperidin-1-yl)- 0.78 509.13 ethyl]-3-(8-benzyl-2-methyl-quinolin-4-yl)- urea

Example 391 1-[2-(4-Benzyl-4-hydroxy-piperidin-1-yl)-ethyl]-3-(7-methyl-[1,8]naphthyridin-4-yl)-urea 391 A. 1-(2-Chloro-ethyl)-3-(2-methyl-[1,8]naphthyridin-4-yl)-urea

Prepared from 2-methyl-[1,8]napthyrid-4-yl amine (Barlin G B, Tan W L, “Potential Antimalarials. I 1,8-naphthyridines”, Aust J Chem (1984) 37, 1065-1073. Radivov R, Haimova M, Simova E “Synthesis of 4-Amino-3-Pyridiyl and 4-Amino-5-Pyrimidyl Aryl Ketones and Related Compounds via an ortho-Lithiation Reaction”, Synthesis (1986), 886-891), using the method for the preparation of 1-(2-chloroethyl)-3-quinolin-4-yl-urea.

391 B. 1-[2-(4-Benzyl-4-hydroxy-piperidin-1-yl)-ethyl]-3-(7-methyl-[1,8]naphthyridin-4-yl)-urea

Prepared from 4-benzyl-4-hydroxypiperidine and 1-(2-chloro-ethyl)-3-(2-methyl-[1,8]naphthyridin-4-yl)-urea according to the method used in the preparation of Example 368C.

MS Example t_(r) (ES+) 391. 1-[2-(4-Benzyl-4-hydroxy-piperidin-1-yl)-ethyl]- 0.79 420.2 3-(7-methyl-[1,8]naphthyridin-4-yl)-urea

Example 392 1-{2-[4-(3-Methyl-benzylidene)-piperidin-1-yl]-ethyl}-3-(2-methyl-quinolin-4-yl)-urea 392A. 4-(3-Methyl-benzylidene)-piperidine-1-carboxylic acid tert-butyl ester

Sodium hydride (0.4 g, 16.6 mmol) is added to dry DMSO (30 mL) and the mixture is heated at 80° C. for 1 h. After cooling to 20° C. 4-fluorophenylmethyl triphenylphosphonium chloride (4.46 g, 11 mmol) is added portionwise under nitrogen, and the mixture is stirred for 15 min. Then 4-piperidone-1-carboxylic acid tert-butyl ester (2 g, 10 mmol) is added and the mixture is stirred for 15 h at room temperature followed by heating to 80° C. for 8 h. The reaction mixture is cooled to room temperature and poured onto ice (75 g). The resulting mixture is extracted with ether (3×120 mL). The organic extracts are dried over sodium sulfate and evaporated. The resulting oil is purified by flash chromatography (SiO₂, EtOAc/heptane 1/5) to provide the title compound.

392B. 4-(3-Methyl-benzylidene)-piperidine

To a solution of 4-(3-methyl-benzylidene)-piperidine-1-carboxylic acid tert-butyl ester (287.4 mg, 1 mmol) in CH₂Cl₂ (1 mL) TFA (1 mL) is added. The solution is stirred for 2 h at 20° C. The solvent is evaporated, the residue dissolved CH₂Cl₂ (75 mL) and washed with 1 M aqueous NaOH (2×20 mL). The organic layer is dried (Na₂SO₄), filtered and concentrated to provide the title compound.

392C. [3-(2-Methyl-quinolin-4-yl)-ureido]-acetic acid ethyl ester

A suspension of 4-amino-2-methylchinoline (4.0 g, 25.3 mmol) in dry THF (80 mL) is cooled to −14° C. and ethyl isocyanatoacetate (3.3 mL, 27.4 mmol) is added dropwise under vigourous stirring. The reaction is warmed to room temperature and stirred for 4 h. Further ethyl isocyanatoacetate (0.6 mL, 5 mmol) is added and the reaction mixture stirred for 15 h. The solvent is evaporated and the residue crystallized from CHCl₃-heptane (1/5) to provide the title compound.

392D. (3-Quinolin-4-yl-ureido)-acetic acid

[3-(2-Methyl-quinolin-4-yl)-ureido]-acetic acid ethyl ester (7.2 g, 25 mmol) is suspended in 6N aqueous HCl (250 mL), and the mixture is heated at 80° C. for 15 h. The mixture is cooled, filtered from the resulting precipitate and the solid dried to provide the title compound as hydrochloride salt.

392E. 1-{2-[4-(3-Methyl-benzylidene)-piperidin-1-yl]-2-oxo-ethyl}-3-(2-methyl-quinolin-4-yl)-urea

A suspension of (3-quinolin-4-yl-ureido)-acetic acid hydrochloride (281.7 mg, 1 mmol), 4-(3-methyl-benzylidene)-piperidine (187.3 mg, 1 mmol), TEA (1 mL, 7 mmol) in DMF (4 mL) and T₃P (50% in EtOAc, 1 mL, 1.7 mmol) is stirred for 2 h at room temperature. The DMF is evaporated, the residue dissolved in CH₂Cl₂ (150 mL) and washed with 1M aqueous NaOH (50 mL) and brine (30 mL). The organic phase is dried (Na₂SO₄), filtered and evaporated to provide the crude title compound.

392F. 1-{2-[4-(3-Methyl-benzylidene)-piperidin-1-yl]-ethyl}-3-(2-methyl-quinolin-4-yl)-urea

To a suspension of LiAlH₄ (100 mg, 2.6 mmol) in THF (40 mL) is added a solution of crude 1-{2-[4-(3-methyl-benzylidene)-piperidin-1-yl]-2-oxo-ethyl}₃-(2-methyl-quinolin-4-yl)-urea (1 mmol) in THF (10 mL) and the mixture is stirred at room temperature for 15 h. The suspension is poured slowly into EtOAc (200 mL) and MeOH (10 mL) and, subsequently, sat. NaHCO₃ (dropwise, total of 1.5 mL) is added. The precipitate is filtered off and washed with MeOH (2×20 mL). The filtrate is dried (Na₂SO₄), filtered and evaporated. The residue is purified by flash chromatography (SiO₂, CH₂Cl₂-MeOH, 10:1) to provide the title compound.

The following compounds are prepared in an analogous fashion.

MS Example t_(r) (ES+) 392. 1-{2-[4-(3-Methyl-benzylidene)-piperidin-1-yl]- 0.77 415.18 ethyl}-3-(2-methyl-quinolin-4-yl)-urea 393. 1-{2-[4-(4-Methyl-benzylidene)-piperidin-1-yl]- 0.77 415.19 ethyl}-3-(2-methyl-quinolin-4-yl)-urea 394. 1-{2-[4-(2-Methyl-benzylidene)-piperidin-1-yl]- 0.76 415.21 ethyl}-3-(2-methyl-quinolin-4-yl)-urea 395. 1-{2-[4-(4-Methoxy-benzylidene)-piperidin-1-yl]- 0.74 431.25 ethyl}-3-(2-methyl-quinolin-4-yl)-urea 396. 1-{2-[4-(4-Fluoro-benzylidene)-piperidin-1-yl]- 0.75 419.21 ethyl}-3-(2-methyl-quinolin-4-yl)-urea 397. 1-{2-[4-(4-Bromo-benzylidene)-piperidin-1-yl]- 1.02 479.33 ethyl}-3-(2-methyl-quinolin-4-yl)-urea

Example 398 1-{2-[4-(3-Methyl-benzyl)-piperidin-1-yl]-ethyl}-3-(2-methyl-quinolin-4-yl)-urea

A suspension of 1-{2-[4-(3-methyl-benzylidene)-piperidin-1-yl]-ethyl}-3-(2-methyl-quinolin-4-yl)-urea (21 mg, 0.05 mmol), 2M aqueous HCl (0.5 mL, 1 mmol) and Pd—C (10%, 5 mg) in MeOH (2 mL) is stirred under hydrogen atmosphere for 6 h. The catalyst is filtered off and the filtrate evaporated to provide the title compound as hydrochloride salt.

The following compounds are prepared in an analogous fashion.

MS Example t_(r) (ES+) 398. 1-{2-[4-(3-Methyl-benzyl)-piperidin-1-yl]- 0.77 417.26 ethyl}-3-(2-methyl-quinolin-4-yl)-urea 399. 1-{2-[4-(2-Methyl-benzyl)-piperidin-1-yl]- 0.77 417.26 ethyl}-3-(2-methyl-quinolin-4-yl)-urea 400. 1-{2-[4-(4-Methoxy-benzyl)-piperidin-1-yl]- 0.74 433.25 ethyl}-3-(2-methyl-quinolin-4-yl)-urea 401. 1-{2-[4-(4-Fluoro-benzyl)-piperidin-1-yl]- 0.75 421.23 ethyl}-3-(2-methyl-quinolin-4-yl)-urea 402. 1-{2-[4-(4-Methyl-benzyl)-piperidin-1-yl]- 0.76 417.27 ethyl}-3-(2-methyl-quinolin-4-yl)-urea

Example 403 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-piperidine-4-carboxylic acid ethyl ester

The compound is prepared from 1-(2-chloro-ethyl)-3-(2-methyl-quinolin-4-yl)-urea (Example 1A, 1.32 g, 5 mmol)) and ethyl nipecotate (1.57 g, 10 mmol) using the method of Example 1.

MS Example t_(r) (ES+) 403. 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]- 0.69 385.21 ethyl}-piperidine-4-carboxylic acid ethyl ester

Example 404 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-piperidine-4-carboxylic acid methyl-phenyl-amide 404A. 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-piperidine-4-carboxylic acid dihydrochloride

1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-piperidine-4-carboxylic acid ethyl ester (0.9 g, 2.3 mmol) is dissolved in 6N aqueous HCl (10 mL) and the mixture is heated at 50° C. for 48 h. The reaction mixture is evaporated and the residue is dried to provide the title compound as hydrochloride salt.

404B. 1-{2-[3-(2-Methyl-quinolin-4-y)-ureido]-ethyl}-piperidine-4-carboxylic acid methyl-phenyl-amide

To a suspension of 1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidine-4-carboxylic acid dihydrochloride (64.25 mg, 0.15 mmol), TEA (0.07 mL, 0.5 mmol) and N-methylaniline (11 mg, 0.1 mmol) in DMF (0.6 mL) is is added T₃P (50% in EtOAc, 0.07 mL, 0.12 mmol) at room temperature. The mixture is stirred for 15 h, quenched with sat. Na₂CO₃ (5 mL) and extracted with CH₂Cl₂ (3×10 mL). The organic phases are dried (Na₂SO₄), filtered, evaporated and the residue purified by preparative HPLC to provide the title compound.

The following compounds are prepared in an analogous fashion.

MS Example t_(r) (ES+) 404. 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]- 0.55 446.09 ethyl}-piperidine-4-carboxylic acid methyl- phenyl-amide 405. 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]- 0.62 482.10 ethyl}-piperidine-4-carboxylic acid naphthalen- 2-ylamide 406. 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]- 0.60 482.08 ethyl}-piperidine-4-carboxylic acid naphthalen- 1-ylamide 407. 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]- 0.54 446.11 ethyl}-piperidine-4-carboxylic acid benzylamide 408. 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]- 0.56 460.12 ethyl}-piperidine-4-carboxylic acid phenethyl- amide 409. 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]- 0.56 460.09 ethyl}-piperidine-4-carboxylic acid benzyl- methyl-amide 410. 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]- 0.58 474.12 ethyl}-piperidine-4-carboxylic acid methyl- phenethyl-amide 411. 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]- 0.63 488.12 ethyl}-piperidine-4-carboxylic acid (4-phenyl-butyl)-amide 412. 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]- 0.66 522.11 ethyl}-piperidine-4-carboxylic acid benzyl- phenyl-amide 413. 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]- 0.60 480.05 ethyl}-piperidine-4-carboxylic acid (4-chloro-phenyl)-methyl-amide 414. 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]- 0.62 509.98 ethyl}-piperidine-4-carboxylic acid (4-bromo-phenyl)-amide 415. 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]- 0.60 466.03 ethyl}-piperidine-4-carboxylic acid (3-chloro-phenyl)-amide 416. 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]- 0.58 480.05 ethyl}-piperidine-4-carboxylic acid (2-chloro-phenyl)-methyl-amide 417. 1-{2-[4-(4-Benzyl-piperidine-1-carbonyl)- 0.66 514.12 piperidin-1-yl]-ethyl}-3-(2-methyl-quinolin- 4-yl)-urea 418. 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]- 0.69 550.13 ethyl}-piperidine-4-carboxylic acid benzyl- phenethyl-amide 419. 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]- 0.60 523.95 ethyl}-piperidine-4-carboxylic acid 4-bromo- benzylamide 420. 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]- 0.60 474.12 ethyl}-piperidine-4-carboxylic acid (3-phenyl-propyl)-amide 421. 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]- 0.65 474.49 ethyl}-piperidine-4-carboxylic acid benzyl- ethyl-amide 422. 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]- 0.54 371.35 ethyl}-piperidine-4-carboxylic acid methyl ester

Example 423 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-4-phenyl-piperidine-4-carboxylic acid methyl ester 423A. 4-Phenyl-piperidine-4-carboxylic acid methyl ester

To a solution of 4-phenyl-piperidine-4-carboxylic acid tosylate (4.6 g, 20 mmol) in MeOH (25 mL) is added TMSCl (10 mL) and the reaction mixture is stirred at 50° C. for 15 h. The reaction mixture is cooled and evaporated. The residue is taken up in MeOH (5 mL), poured into sat. Na₂CO₃ (100 mL) and extracted with CH₂Cl₂ (3×50 mL). The combined organic extracts are dried (Na₂SO₄), filtered and evaporated to provide the title compound.

423B. 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-4-phenyl-piperidine-4-carboxylic acid methyl ester

The compound is prepared from 1-(2-chloro-ethyl)-3-(2-methyl-quinolin-4-yl)-urea (Example 1A, 2.6 g, 10 mmol)) and 4-phenyl-piperidine-4-carboxylic acid methyl ester (4.38 g, 20 mmol) using the method of Example 1.

MS Example t_(r) (ES+) 423. 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]- 0.59 447.07 ethyl}-4-phenyl-piperidine-4-carboxylic acid methyl ester

Example 424 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-4-phenyl-piperidine-4-carboxylic acid

A solution of 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-4-phenyl-piperidine-4-carboxylic acid methyl ester (1.25 g, 2.8 mmol) in 6N aqueous HCl (10 mL) is heated at 90° C. for 48 h. The reaction mixture is evaporated to provide the title compound as dihydrochloride salt.

MS Example t_(r) (ES+) 424. 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]- 0.60 433.38 ethyl}-4-phenyl-piperidine-4-carboxylic acid

Example 425 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-4-phenyl-piperidine-4-carboxylic acid benzyl-methyl-amid

The compound is prepared from 1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-4-phenyl-piperidine-4-carboxylic acid dihydrochloride and benzylmethylamine using the method of Example 404B.

The following compounds are prepared in an analogous fashion.

MS Example t_(r) (ES+) 425. 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]- 0.69 536.10 ethyl}-4-phenyl-piperidine-4-carboxylic acid benzyl-methyl-amide 426. 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]- 0.78 558.11 ethyl}-4-phenyl-piperidine-4-carboxylic acid naphthalen-2-ylamide 427. 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]- 0.70 550.15 ethyl}-4-phenyl-piperidine-4-carboxylic acid methyl-phenethyl-amide 428. 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]- 0.74 550.52 ethyl}-4-phenyl-piperidine-4-carboxylic acid benzyl-ethyl-amide 429. 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]- 0.63 460.40 ethyl}-4-phenyl-piperidine-4-carboxylic acid dimethylamide 430. 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]- 0.68 488.49 ethyl}-4-phenyl-piperidine-4-carboxylic acid diethylamide

Example 431 4-Benzyl-1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidine-4-carboxylic acid 431A. 1,4-Dibenzyl-piperidine-4-carboxylic acid ethyl ester

To a solution of NaHMDS in THF (1M, 80 mL, 80 mmol) at −78° C. is added a solution of ethyl nipecotate (5.5 g, 35 mmol) in THF (20 mL). The mixture is stirred at −78° C. for 30 min and then warmed to room temperature. A solution of benzylbromide (9.5 mL, 80 mmol) in THF (40 mL) is added (15 min) to the solution and stirring is continued for 15 h. The mixture is poured into ether (200 mL) and extracted with 1M aqueous HCl (3×50 mL). The aqueous extracts are washed with ether (50 mL) and adjusted to pH 14 with solid Na₂CO₃ and 33% NaOH and then extracted with CH₂Cl₂ (3×100 mL). The organic extracts are dried (Na₂SO₄), filtered and evaporated, the residue purified by flash chromatography (CH₂Cl₂-MeOH 10:1) to provide the title compound.

431B. 4-Benzyl-piperidine-4-carboxylic acid ethyl ester

1,4-Dibenzyl-piperidine-4-carboxylic acid ethyl ester (11.8 g, 35 mmol) is dissolved in MeOH (200 mL) and 1M aqueous HCl (40 mL) and Pd—C (10%, 1 g) are added. The mixture is hydrogenated (7 bar, 70° C.) for 15 h. The catalyst is filtered off and the solvent evaporated to provide the title compound.

431C. (2-Bromo-ethyl)-carbamic acid benzyl ester

2-Bromoethylamine hydrobromide (15 g, 73 mmol) and N-(benzyloxycarbonyloxy)succinimide (15.5 g, 62 mmol) are suspended in CH₂Cl₂ (150 mL) at 0° C. TEA (9 mL, 65 mmol) is added slowly keeping the temperature at 0° C. After 1 h the mixture is washed with 0.5M aqueous KHSO₄ (50 mL) and brine (50 mL), the organic phase is dried (Na₂SO₄), filtered and evaporated to provide the title compound.

431D. 4-Benzyl-1-(2-benzyloxycarbonylamino-ethyl)-piperidine-4-carboxylic acid ethyl ester

4-Benzyl-piperidine-4-carboxylic acid ethyl ester (2.5 g, 10 mmol), (2-bromo-ethyl)-carbamic acid benzyl ester (2.58 g, 10 mmol) and DIPEA (1.7 mL, 10 mmol) are dissolved in THF (50 mL) and heated at 80° C. for 15 h. The mixture is poured into Et₂O (200 mL) and washed with sat. Na₂CO₃ (50 mL). The ether phase is extracted with 1M aqueous HCl (3×50 mL), the aqueous extracts washed with ether (50 mL) and adjusted to pH 14 with cooled 33% aqueous NaOH. The aqueous phase is extracted with CH₂Cl₂ (4×50 mL). The organic extracts are dried (Na₂SO₄), filtered and evaporated to provide the title compound.

431E. 1-(2-Amino-ethyl)-4-benzyl-piperidine-4-carboxylic acid ethyl ester

4-Benzyl-1-(2-benzyloxycarbonylamino-ethyl)-piperidine-4-carboxylic acid ethyl ester (4.25 g, 10 mmol) is dissolved in MeOH (100 mL) and Pd—C (10%, 0.5 g) is added. The mixture is hydrogenated (7 bar, 20° C.) for 2 h. The catalyst is filtered off and the solvent evaporated to provide the title compound.

431F. 1-(2-Amino-ethyl)-4-benzyl-piperidine-4-carboxylic acid

1-(2-Amino-ethyl)-4-benzyl-piperidine-4-carboxylic acid ethyl ester (2.5 g, 10 mmol) is dissolved in 6N aqueous HCl (40 mL) and the mixture heated at 90° C. for 96 h. The reaction mixture is evaporated to provide the title compound as hydrochloride salt.

431G. 4-Benzyl-1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidine-4-carboxylic acid

1-(2-Amino-ethyl)-4-benzyl-piperidine-4-carboxylic acid dihydrochloride (3.35 g, 10 mmol), 1,3-bis-(2-methyl-quinolin-4-yl)-urea (3.43 g, 10 mmol) and TEA (5 mL, 36 mmol) are suspended in THF (50 mL) and heated at reflux for 48 h. The solvent is evaporated and the residue purified by HPLC to provide the title compound.

MS Example t_(r) (ES+) 431. 4-Benzyl-1-{2-[3-(2-methyl-quinolin-4-yl)- 0.62 477.39 ureido]-ethyl}-piperidine-4-carboxylic acid

Example 432 4-Benzyl-1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidine-4-carboxylic acid benzyl-ethyl-amide

The compound is prepared from 4-benzyl-1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidine-4-carboxylic acid and benzylethylamine using the method of Example 257C.

MS Example t_(r) (ES+) 432. 4-Benzyl-1-{2-[3-(2-methyl-quinolin-4-yl)- 0.75 564.45 ureido]-ethyl}-piperidine-4-carboxylic acid benzyl-ethyl-amide 433. 4-Benzyl-1-{2-[3-(2-methyl-quinolin-4-yl)- 0.67 461.46 ureido]-ethyl}-piperidine-4-carboxylic acid methyl ester

Example 434 1-[2-(4-Benzyl-4-hydroxy-piperidin-1-yl)-ethyl]-3-[2-(benzyl-methyl-amino)-Pyridin-4-yl]-urea 434A. 2-(Benzyl-methyl-amino)-isonicotinic acid

A mixture of 2-chloro-pyridine-4-carboxylic acid (300 mg, 1.9 mmol), benzylmethylamine (230 mg, 1.9 mmol) and triethylamine (192 mg, 1.9 mmol) is heated at 120° C. for 12 h. The residue is dissolved in CH₂Cl₂ (30 mL) and extracted with 1M aqueous NaOH (3×5 mL). The aqueous layer is adjusted to pH 1-2 with 12N aqueous HCl and extracted with EtOAc (6×5 mL). The organic extracts are combined, dried (MgSO₄), and evaporated to provide the title compound.

434B. 2-(Benzyl-methyl-amino)-4-isocyanato-pyridine

The compound is prepared from 2-(benzyl-methyl-amino)-pyridine-4-carboxylic acid (780 mg, 3.2 mmol) using the method described for Example 388C.

434C. 1-[2-(4-Benzyl-4-hydroxy-piperidin-1-yl)-ethyl]-3-[2-(benzyl-methyl-amino)-pyridin-4-yl]-urea

The compound is prepared from 1-(2-amino-ethyl)-4-benzyl-piperidin-4-ol (93 mg, 0.40 mmol) and 2-(benzyl-methyl-amino)-4-isocyanato-pyridine (95.7 mg, 0.40 mmol) using the method described for Example 388D.

The following compounds are prepared in an analogous fashion.

MS Example t_(r) (ES+) 434. 1-[2-(4-Benzyl-4-hydroxy-piperidin-1-yl)-ethyl]- 0.74 474.2 3-[2-(benzyl-methyl-amino)-pyridin-4-yl]-urea 435. 1-[2-(4-Benzyl-4-hydroxy-piperidin-1-yl)-ethyl]- 0.69 488.4 3-[2-(benzyl-methyl-amino)-6-methyl-pyridin-4- yl]-urea 436. 1-[2-(Benzyl-methyl-amino)-6-methyl-pyridin-4- 0.75 472.27 yl]-3-[2-(4-benzyl-piperidin-1-yl)-ethyl]-urea 437. 1-[2-(Benzyl-methyl-amino)-pyridin-4-yl]- 0.73 458.24 3-[2-(4-benzyl-piperidin-1-yl)-ethyl]-urea 438. 1-[2-(4-Benzyl-piperidin-1-yl)-ethyl]-3-[2- 0.78 444.26 (methyl-phenyl-amino)-pyridin-4-yl]-urea 439. 1-[2-(4-Benzyl-piperidin-1-yl)-ethyl]-3-(2- 0.76 408.10 pyrrolidin-1-yl-pyridin-4-yl)-urea 440. 1-[2-(Benzyl-phenethyl-amino)-pyridin-4-yl]-3- 0.76 548.16 [2-(4-benzyl-piperidin-1-yl)-ethyl]-urea 441. 1-[2-(4-Benzyl-4-hydroxy-piperidin-1-yl)-ethyl]- 0.68 398.26 3-(2-dimethylamino-pyridin-4-yl)-urea 442. 1-[2-(4-Benzyl-piperidin-1-yl)-ethyl]-3-(2- 0.72 382.29 dimethylamino-pyridin-4-yl)-urea 443. 1-[2-(Benzyl-ethyl-amino)-pyridin-4-yl]- 0.67 488.46 3-[2-(4-benzyl-4-hydroxy-piperidin-1-yl)-ethyl]- urea 444. 1-[2-(4-Benzyl-4-hydroxy-piperidin-1-yl)-ethyl]- 0.70 412.24 3-[2-(ethyl-methyl-amino)-pyridin-4-yl]-urea 445. 1-[2-(4-Benzyl-4-hydroxy-piperidin-1-yl)-ethyl]- 0.68 488.40 3-(2-diallylamino-pyridin-4-yl)-urea 446. 1-[2-(4-Benzyl-4-hydroxy-piperidin-1-yl)-ethyl]- 0.69 480.45 3-(2-dipropylamino-pyridin-4-yl)-urea

Example 447 1-[2-(4-Benzyl-4-hydroxy-piperidin-1-yl)-ethyl]-3-(2-methylamino-pyridin-4-yl)-urea

A suspension of 1-[2-(4-benzyl-4-hydroxy-piperidin-1-yl)-ethyl]-3-[2-(benzyl-methyl-amino)-pyridin-4-yl]-urea (Example 434., 0.3 g, 0.65 mmol), 2N aqueous HCl (0.65 mL, 1.3 mmol) and Pd—C 10% (30 mg) in MeOH (20 mL) is stirred under hydrogen atmosphere for 96 h. The catalyst is filtered off and the reaction mixture evaporated to provide the title compound.

The following compounds are prepared in an analogous fashion.

MS Example t_(r) (ES+) 447. 1-[2-(4-Benzyl-4-hydroxy-piperidin-1-yl)-ethyl]- 0.69 384.16 3-(2-methylamino-pyridin-4-yl)-urea 448. 1-[2-(4-Benzyl-piperidin-1-yl)-ethyl]-3- 0.72 368.17 (2-methylamino-pyridin-4-yl)-urea

Example 449 1-(2-Amino-pyridin-4-yl)-3-[2-(4-benzyl-4-hydroxy-piperidin-1-yl)-ethyl]-urea

The compound is prepared from 1-[2-(4-benzyl-4-hydroxy-piperidin-1-yl)-ethyl]-3-(2-diallylamino-pyridin-4-yl)-urea (Example 445.) using the method described in Laguzza B. C., Ganem B., “A new protecting group for amines. Synthesis of Anticapsin from L-Tyrosine”, Tetrahedron Lett. (1981) 22, 1483-1486.

MS Example t_(r) (ES+) 449. 1-(2-Amino-pyridin-4-yl)-3-[2-(4-benzyl-4- 0.65 450.42 hydroxy-piperidin-1-yl)-ethyl]-urea

Example 450 In Vitro Biological Characterization

The inhibitory activity of the compounds of general formula 1 on the actions of urotensin II can be demonstrated using the test procedures described hereinafter:

1) Inhibition of Human [¹²⁵I]-Urotensin II Binding to a Rhabdomyosarcoma Cell Line

Whole cell binding of human [¹²⁵I]-urotensin II is performed using human-derived TE-671 rhabdomyosarcoma cells (Deutsche Sammlung von Mikroorganismen und Zellkulturen, cell line #ACC-263), by methods adapted from a whole cell endothelin binding assay (Breu V et al, In vitro characterization of Ro-46-2005, a novel synthetic non-peptide antagonist of ET_(A) and ET_(B) receptors. FEBS Lett. 1993, 334, 210-214).

The assay is performed in 250 μL Dulbecco's Modified Eagle Medium, pH 7.4 (GIBCO BRL, CatNo 31885-023), including 25 mM HEPES (Fluka, CatNo 05473), 1.0% DMSO (Fluka, CatNo 41644) and 0.5% (w/v) BSA Fraction V (Fluka, CatNo 05473) in polypropylene microtiter plates (Nunc, CatNo 442587). 300'000 suspended cells are incubated with gentle shaking for 4 h at 20° C. with 20 pM human [¹²⁵I]Urotensin II (Anawa Trading SA, Wangen, Switzerland, 2130Ci/mmol) and increasing concentrations of unlabeled antagonist. Minimum and maximum binding are derived from samples with and without 100 nM unlabelled U-II, respectively. After the 4 h incubation period, the cells are filtered onto GF/C filterplates (Packard, CatNo 6005174). The filter plates are dried, and then 50 μL scintillation cocktail (Packard, MicroScint 20, CatNo 6013621) is added to each well. The filterplates are counted in a microplate counter (Packard Bioscience, TopCount NXT).

All test compounds are dissolved and diluted in 100% DMSO. A ten-fold dilution into assay buffer is performed prior to addition to the assay. The final concentration of DMSO in the assay is 1.0%, which is found not to interfere with the binding. IC50 values are defined as the concentration of antagonist inhibiting 50% of the specific binding of [¹²⁵I]human U-II. Specific binding is the difference between maximum binding and minimum binding, as described above. An IC₅₀ value of 0.206 nM is found for unlabeled human U-II. The compounds of the invention are found to have IC₅₀ values ranging from 0.1 to 1000 nM in this assay.

2) Inhibition of Human Urotensin II-Induced Contractions on Isolated Rat Thoracic Aorta:

Adult Wistar rats are anesthetized and exsanguinated. The proximal thoracic descending aorta is excised, dissected and a 3-5 mm ring is isolated. The endothelium is removed by gentle rubbing of the intimal surface. The ring is suspended in a 10 mL isolated organ bath filled with Krebs-Henseleit solution (in mM; NaCl 115, KCl 4.7, MgSO₄ 1.2, KH₂PO₄ 1.5, NaHCO₃ 25, CaCl₂ 2.5, glucose 10) kept at 37° C. and aerated with 95% O₂ and 5% CO₂. Indomethacin (10⁻⁵ M) is added to the Krebs-Henseleit solution to avoid eicosanoid generation. The ring is stretched to a resting tension of 1 g. Changes of isometric force are measured using force transducers (EMKA Technologies SA, Paris, France). Following an equilibration period, the rings are briefly contracted with KCl (60 mM). Cumulative doses of human urotensin II(10⁻¹² M to 10⁻⁶ M) are added after a 10 min incubation with the test compound or its vehicle. Functional antagonism is measured as the inhibition of maximal contraction to urotensin II. 

1. A compound of general formula 1,

wherein: Py represents pyridin-4-yl mono-substituted in position 2 with —NR²R³; pyridin-4-yl disubstituted in position 2 with —NR²R³ and in position 6 with lower alkyl or arylalkyl; unsubstituted quinolin-4-yl; quinolin-4-yl mono-substituted in position 2 with lower alkyl; quinolin-4-yl di-substituted in position 2 with lower alkyl and in position 6, 7, or 8 with halogen, lower alkyl, or arylalkyl; 2-hydroxymethyl-quinolin-4-yl; 7-methyl-[1,8]naphthyridin-4-yl; 5,6,7,8-tetrahydro-[1,8]naphthyridin-4-yl; 8-benzyl-5,6,7,8-tetrahydro-[1,8]naphthyridin-4-yl; 8-methyl-5,6,7,8-tetrahydro-[1,8]naphthyridin-4-yl; 2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-4-yl; 1-methyl-2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-4-yl; or 1-benzyl-2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-4-yl; X represents aryl; aryl-O—; arylalkyl-; lower alkyl-SO₂NR²—; aryl-SO₂NR²—; arylalkyl-SO₂NR²—; lower alkyl-CONR²—; aryl-CONR²—; arylalkyl-CONR²—; lower alkyl-NR³CONR²—; aryl-NR³CONR²—; arylalkyl-NR³CONR²—; aryl-CO—; arylalkyl-CO—; lower alkyl-NR²CO—;aryl-NR²CO—; or arylalkyl-NR²CO—; Y represents —C(R⁴)(R⁵)(CH₂)_(m)— or —(CH₂)_(m)C(R⁴)(R⁵)—; Z represents hydrogen; in case X represents aryl or arylalkyl, Z represents hydrogen, hydroxyl, carboxyl, aryl-CONR²—, lower alkyl-NR²CO—, aryl-NR²CO— or arylalkyl-NR²CO—; n represents the number 0 or 1; m represents the number 1 or 2; R¹ represents hydrogen or lower alkyl; R² and R³ represent independently hydrogen, lower alkyl, or arylalkyl; in case R² and R³ are attached to the same nitrogen atom, R² and R³ together form with the nitrogen to which they are attached, a piperidine, pyrrolidine or morpholine ring; R⁴ represents hydrogen, lower alkyl, aryl, arylalkyl, or forms together with R⁵ a 3-, 4-, 5-, or 6-membered saturated carbocyclic ring including the carbon atom to which R⁴ and R⁵ are attached as ring atoms; and R⁵ represents hydrogen, methyl, or forms together with R⁴ a 3-, 4-, 5-, or 6-membered saturated carbocyclic ring including the carbon atom to which R⁴ and R⁵ are attached as ring atoms, or an optically pure enantiomer or diastereomer, a mixture of enantiomers or diastereomers, a diastereomeric racemate, and a mixture of diastereomeric racemates; or a pharmaceutically acceptable salt, of said compound.
 2. A compound of general formula 2,

wherein: Py represents 2-(benzyl-methyl-amino)-pyridin-4-yl; 2-(benzyl-methyl-amino)-6-methyl-pyridin-4-yl; 2-(benzylamino)-pyridin-4-yl; 2-benzylamino-6-methyl-pyridin-4-yl; 2-(dimethylamino)-pyridin-4-yl; 2-(dimethylamino)-6-methyl-pyridin-4-yl; 2-(methylamino)-pyridin-4-yl; 2-(methylamino)-6-methyl-pyridin-4-yl; 2-aminopyridin-4-yl; 2-amino-6-methyl-pyridin-4-yl; 2-(pyrrolidin-1-yl)-pyridin-4-yl; quinol-4-yl; 2-methylquinol-4-yl; 2-cyclopropylquinol-4-yl; 8-benzyl-2-methyl-quinol-4-yl; [1,8]naphthyridin-4-yl; 7-methyl-[1,8]naphthyridin-4-yl; 5,6,7,8-tetrahydro-[1,8]naphthyridin-4-yl; 8-benzyl-5,6,7,8-tetrahydro-[1,8]naphthyridin-4-yl; 8-methyl-5,6,7,8-tetrahydro-[1,8]naphthyridin-4-yl; 2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-4-yl; 1-methyl-2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-4-yl; or 1-benzyl-2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-4-yl; X represents aryl; aryl-O—; arylalkyl-; lower alkyl-SO₂NR²—; aryl-SO₂NR²—; arylalkyl-SO₂NR²—; lower alkyl-CONR²—; aryl-CONR²—; arylalkyl-CONR²—; lower alkyl-NR³CONR²—; aryl-NR³CONR²—; arylalkyl-NR³CONR²—; aryl-CO—; arylalkyl-CO—; lower alkyl-NR²CO—; aryl-NR²CO—; or arylalkyl-NR²CO—; Z represents hydrogen; in case X represents aryl or arylalkyl, Z represents hydrogen or hydroxyl; n represents the number 0 or 1; m represents the number 1 or 2; R¹ represents hydrogen or lower alkyl; and R² and R³ represent independently hydrogen, lower alkyl, or arylalkyl, or a pharmaceutically acceptable salt of said compound.
 3. A compound of general formula 3,

wherein: Py represents pyridin-4-yl mono-substituted in position 2 with —NR²R³; pyridin-4-yl disubstituted in position 2 with —NR²R³ and in position 6 with lower alkyl or arylalkyl; unsubstituted quinolin-4-yl; quinolin-4-yl mono-substituted in position 2 with lower alkyl; quinolin-4-yl di-substituted in position 2 with lower alkyl and in position 6, 7, or 8 with halogen, lower alkyl, or arylalkyl; 2-hydroxymethyl-quinolin-4-yl; 7-methyl-[1,8]naphthyridin-4-yl; 5,6,7,8-tetrahydro-[1,8]naphthyridin-4-yl; 8-benzyl-5,6,7,8-tetrahydro-[1,8]naphthyridin-4-yl; 8-methyl-5,6,7,8-tetrahydro-[1,8]naphthyridin-4-yl; 2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-4-yl; 1-methyl-2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-4-yl; or 1-benzyl-2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-4-yl; Y represents —C(R⁴)(R⁵)(CH₂)_(m)— or —(CH₂)_(m)C(R⁴)(R⁵)—; n represents the number 0 or 1; m represents the number 1 or 2; R² and R³ represent independently hydrogen, lower alkyl, or arylalkyl; in case R² and R³ are attached to the same nitrogen atom, R² and R³ together form with the nitrogen to which they are attached, a piperidine, pyrrolidine or morpholine ring; R⁴ represents hydrogen, lower alkyl, aryl, arylalkyl, or forms together with R⁵ a 3-, 4-, 5-, or 6-membered saturated carbocyclic ring including the carbon atom to which R⁴ and R⁵ are attached as ring atoms; and R⁵ represents hydrogen, methyl, or forms together with R⁴ a 3-, 4-, 5-, or 6-membered saturated carbocyclic ring including the carbon atom to which R⁴ and R⁵ are attached as ring atoms, or a pharmaceutically acceptable salt of said compound.
 4. A compound of general formula 4,

wherein: Py represents 2-(benzyl-methyl-amino)-pyridin-4-yl; 2-(benzyl-methyl-amino)-6-methyl-pyridin-4-yl; 2-(benzylamino)-pyridin-4-yl; 2-benzylamino-6-methyl-pyridin-4-yl; 2-(dimethylamino)-pyridin-4-yl; 2-(dimethylamino)-6-methyl-pyridin-4-yl; 2-(methylamino)-pyridin-4-yl; 2-(methylamino)-6-methyl-pyridin-4-yl; 2-aminopyridin-4-yl; 2-amino-6-methyl-pyridin-4-yl; 2-(pyrrolidin-1-yl)-pyridin-4-yl; quinol-4-yl; 2-methylquinol-4-yl; 2-cyclopropylquinol-4-yl; 8-benzyl-2-methyl-quinol-4-yl; [1,8]naphthyridin-4-yl; 7-methyl-[1,8]naphthyridin-4-yl; 5,6,7,8-tetrahydro-[1,8]naphthyridin-4-yl; 8-benzyl-5,6,7,8-tetrahydro-[1,8]naphthyridin-4-yl; 8-methyl-5,6,7,8-tetrahydro-[1,8]naphthyridin-4-yl; 2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-4-yl; 1-methyl-2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-4-yl; or 1-benzyl-2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-4-yl; n represents the number 0 or 1, or a pharmaceutically acceptable salt of said compound.
 5. A compound of general formula 5,

wherein: Py represents pyridin-4-yl mono-substituted in position 2 with —NR²R³; pyridin-4-yl disubstituted in position 2 with —NR²R³ and in position 6 with lower alkyl or arylalkyl; unsubstituted quinolin-4-yl; quinolin-4-yl mono-substituted in position 2 with lower alkyl; quinolin-4-yl di-substituted in position 2 with lower alkyl and in position 6, 7, or 8 with halogen, lower alkyl, or arylalkyl; 2-hydroxymethyl-quinolin-4-yl; 7-methyl-[1,8]naphthyridin-4-yl; 5,6,7,8-tetrahydro-[1,8]naphthyridin-4-yl; 8-benzyl-5,6,7,8-tetrahydro-[1,8]naphthyridin-4-yl; 8-methyl-5,6,7,8-tetrahydro-[1,8]naphthyridin-4-yl; 2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-4-yl; 1-methyl-2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-4-yl; or 1-benzyl-2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-4-yl; Y represents —C(R⁴)(R⁵)(CH₂)_(m)— or —(CH₂)_(m)C(R⁴)(R⁵)—; m represents the number 1 or 2; R² and R³ represent independently hydrogen, lower alkyl, or arylalkyl; in case R² and R³ are attached to the same nitrogen atom, R² and R³ together form with the nitrogen to which they are attached, a piperidine, pyrrolidine or morpholine ring; R⁴ represents hydrogen, lower alkyl, aryl, arylalkyl, or forms together with R⁵ a 3-, 4-, 5-, or 6-membered saturated carbocyclic ring including the carbon atom to which R⁴ and R⁵ are attached as ring atoms; and R⁵ represents hydrogen, methyl, or forms together with R⁴ a 3-, 4-, 5-, or 6-membered saturated carbocyclic ring including the carbon atom to which R⁴ and R⁵ are attached as ring atoms, or a pharmaceutically acceptable salt of said compound.
 6. A compound of general formula 6,

wherein: Py represents 2-(benzyl-methyl-amino)-pyridin-4-yl; 2-(benzyl-methyl-amino)-6-methyl-pyridin-4-yl; 2-(benzylamino)-pyridin-4-yl; 2-benzylamino-6-methyl-pyridin-4-yl; 2-(dimethylamino)-pyridin-4-yl; 2-(dimethylamino)-6-methyl-pyridin-4-yl; 2-(methylamino)-pyridin-4-yl; 2-(methylamino)-6-methyl-pyridin-4-yl; 2-aminopyridin-4-yl; 2-amino-6-methyl-pyridin-4-yl; 2-(pyrrolidin-1-yl)-pyridin-4-yl; quinol-4-yl; 2-methylquinol-4-yl; 2-cyclopropylquinol-4-yl; 8-benzyl-2-methyl-quinol-4-yl; [1,8]naphthyridin-4-yl; 7-methyl-[1,8]naphthyridin-4-yl; 5,6,7,8-tetrahydro-[1,8]naphthyridin-4-yl; 8-benzyl-5,6,7,8-tetrahydro-[1,8]naphthyridin-4-yl; 8-methyl-5,6,7,8-tetrahydro-[1,8]naphthyridin-4-yl; 2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-4-yl; 1-methyl-2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-4-yl; or 1-benzyl-2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-4-yl; R² represents hydrogen or lower alkyl, or arylalkyl, or a pharmaceutically acceptable salt of said compound.
 7. A compound of general formula 7,

wherein: Py represents pyridin-4-yl mono-substituted in position 2 with —NR²R³; pyridin-4-yl disubstituted in position 2 with —NR²R³ and in position 6 with lower alkyl or arylalkyl; unsubstituted quinolin-4-yl; quinolin-4-yl mono-substituted in position 2 with lower alkyl; quinolin-4-yl di-substituted in position 2 with lower alkyl and in position 6, 7, or 8 with halogen, lower alkyl, or arylalkyl; 2-hydroxymethyl-quinolin-4-yl; 7-methyl-[1,8]naphthyridin-4-yl; 5,6,7,8-tetrahydro-[1,8]naphthyridin-4-yl; 8-benzyl-5,6,7,8-tetrahydro-[1,8]naphthyridin-4-yl; 8-methyl-5,6,7,8-tetrahydro-[1,8]naphthyridin-4-yl; 2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-4-yl; 1-methyl-2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-4-yl; or 1-benzyl-2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-4-yl; Y represents —C(R⁴)(R⁵)(CH₂)_(m)— or —(CH₂)_(m)C(R⁴)(R⁵)—; m represents the number 1 or 2; R² and R³ represent independently hydrogen, lower alkyl, or arylalkyl; in case R² and R³ are attached to the same nitrogen atom, R² and R³ together form with the nitrogen to which they are attached, a piperidine, pyrrolidine or morpholine ring; R⁴ represents hydrogen, lower alkyl, aryl, arylalkyl, or forms together with R⁵ a 3-, 4-, 5-, or 6-membered saturated carbocyclic ring including the carbon atom to which R⁴ and R⁵ are attached as ring atoms; and R⁵ represents hydrogen, methyl, or forms together with R⁴ a 3-, 4-, 5-, or 6-membered saturated carbocyclic ring including the carbon atom to which R⁴ and R⁵ are attached as ring atoms, or a pharmaceutically acceptable salt of said compound.
 8. A compound of general formula 8,

wherein: Py represents pyridin-4-yl mono-substituted in position 2 with —NR²R³; pyridin-4-yl disubstituted in position 2 with —NR²R³ and in position 6 with lower alkyl or arylalkyl; unsubstituted quinolin-4-yl; quinolin-4-yl mono-substituted in position 2 with lower alkyl; quinolin-4-yl di-substituted in position 2 with lower alkyl and in position 6, 7, or 8 with halogen, lower alkyl, or arylalkyl; 2-hydroxymethyl-quinolin-4-yl; 7-methyl-[1,8]naphthyridin-4-yl; 5,6,7,8-tetrahydro-[1,8]naphthyridin-4-yl; 8-benzyl-5,6,7,8-tetrahydro-[1,8]naphthyridin-4-yl; 8-methyl-5,6,7,8-tetrahydro-[1,8]naphthyridin-4-yl; 2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-4-yl; 1-methyl-2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-4-yl; or 1-benzyl-2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-4-yl; Y represents —C(R⁴)(R⁵)(CH₂)_(m)— or —(CH₂)_(m)C(R⁴)(R⁵)—; m represents the number 1 or 2; R² and R³ represent independently hydrogen, lower alkyl, or arylalkyl; in case R² and R³ are attached to the same nitrogen atom, R² and R³ together form with the nitrogen to which they are attached, a piperidine, pyrrolidine or morpholine ring; R⁴ represents hydrogen, lower alkyl, aryl, arylalkyl, or forms together with R⁵ a 3-, 4-, 5-, or 6-membered saturated carbocyclic ring including the carbon atom to which R⁴ and R⁵ are attached as ring atoms; and R⁵ represents hydrogen, methyl, or forms together with R⁴ a 3-, 4-, 5-, or 6-membered saturated carbocyclic ring including the carbon atom to which R⁴ and R⁵ are attached as ring atoms, or a pharmaceutically acceptable salt of said compound.
 9. A compound of general formula 9,

wherein: Py represents 2-(benzyl-methyl-amino)-pyridin-4-yl; 2-(benzyl-methyl-amino)-6-methyl-pyridin-4-yl; 2-(benzylamino)-pyridin-4-yl; 2-benzylamino-6-methyl-pyridin-4-yl; 2-(dimethylamino)-pyridin-4-yl; 2-(dimethylamino)-6-methyl-pyridin-4-yl; 2-(methylamino)-pyridin-4-yl; 2-(methylamino)-6-methyl-pyridin-4-yl; 2-aminopyridin-4-yl; 2-amino-6-methyl-pyridin-4-yl; 2-(pyrrolidin-1-yl)-pyridin-4-yl; quinol-4-yl; 2-methylquinol-4-yl; 2-cyclopropylquinol-4-yl; 8-benzyl-2-methyl-quinol-4-yl; [1,8]naphthyridin-4-yl; 7-methyl-[1,8]naphthyridin-4-yl; 5,6,7,8-tetrahydro-[1,8]naphthyridin-4-yl; 8-benzyl-5,6,7,8-tetrahydro-[1,8]naphthyridin-4-yl; 8-methyl-5,6,7,8-tetrahydro-[1,8]naphthyridin-4-yl; 2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-4-yl; 1-methyl-2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-4-yl; or 1-benzyl-2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-4-yl; and R² represents hydrogen or lower alkyl, or arylalkyl, or a pharmaceutically acceptable salt of said compound.
 10. A compound of general formula 10,

wherein: Py represents pyridin-4-yl mono-substituted in position 2 with —NR²R³; pyridin-4-yl disubstituted in position 2 with —NR²R³ and in position 6 with lower alkyl or arylalkyl; unsubstituted quinolin-4-yl; quinolin-4-yl mono-substituted in position 2 with lower alkyl; quinolin-4-yl di-substituted in position 2 with lower alkyl and in position 6, 7, or 8 with halogen, lower alkyl, or arylalkyl; 2-hydroxymethyl-quinolin-4-yl; 7-methyl-[1,8]naphthyridin-4-yl; 5,6,7,8-tetrahydro-[1,8]naphthyridin-4-yl; 8-benzyl-5,6,7,8-tetrahydro-[1,8]naphthyridin-4-yl; 8-methyl-5,6,7,8-tetrahydro-[1,8]naphthyridin-4-yl; 2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-4-yl; 1-methyl-2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-4-yl; or 1-benzyl-2,3-dihydro-1H-pyrrolo[2,3-b]pyridin-4-yl; X represents aryl; aryl-O—; arylalkyl-; lower alkyl-SO₂NR²—; aryl-SO₂NR²—; arylalkyl-SO₂NR²—; lower alkyl-CONR²—; aryl-CONR²—; arylalkyl-CONR²—; lower alkyl-NR³CONR²—;aryl-NR³CONR²—; arylalkyl-NR³CONR²—; aryl-CO—; arylalkyl-CO—; lower alkyl-NR²CO—; aryl-NR²CO—; or arylalkyl-NR²CO—; Z represents hydrogen; in case X represents aryl or arylalkyl, Z represents hydrogen, hydroxyl, carboxyl, aryl-CONR²—, lower alkyl-NR²CO—, aryl-NR²CO— or arylalkyl-NR²CO—; and R² and R³ represent independently hydrogen, lower alkyl, or arylalkyl; in case R² and R³ are attached to the same nitrogen atom, R² and R³ together form with the nitrogen to which they are attached, a piperidine, pyrrolidine or morpholine ring, or a pharmaceutically acceptable salt of said compound.
 11. A compound of general formula 11,

wherein: R⁶ is hydrogen, lower alkyl, or arylalkyl; X represents aryl; aryl-O—; arylalkyl-; lower alkyl-SO₂NR²—; aryl-SO₂NR²—; arylalkyl-SO₂NR²—; lower alkyl-CONR²—; aryl-CONR²—; arylalkyl-CONR²—; lower alkyl-NR³CONR²—; aryl-NR³CONR²—; arylalkyl-NR³CONR²—; aryl-CO—; arylalkyl-CO—; lower alkyl-NR²CO—; aryl-NR²CO—; or arylalkyl-NR²CO—; Y represents —C(R⁴)(R⁵)(CH₂)_(m)— or —(CH₂)_(m)C(R⁴)(R⁵)—; Z represents hydrogen; in case X represents aryl or arylalkyl, Z represents hydrogen, hydroxyl, carboxyl, aryl-CONR²—, lower alkyl-NR²CO—, aryl-NR²CO— or arylalkyl-NR²CO—; n represents the number 0 or 1; m represents the number 1 or 2; R² and R³ represent independently hydrogen, lower alkyl, or arylalkyl; in case R² and R³ are attached to the same nitrogen atom, R² and R³ together form with the nitrogen to which they are attached, a piperidine, pyrrolidine or morpholine ring; R⁴ represents hydrogen, lower alkyl, aryl, arylalkyl, or forms together with R⁵ a 3-, 4-, 5-, or 6-membered saturated carbocyclic ring including the carbon atom to which R⁴ and R⁵ are attached as ring atoms; and R⁵ represents hydrogen, methyl, or forms together with R⁴ a 3-, 4-, 5-, or 6-membered saturated carbocyclic ring including the carbon atom to which R⁴ and R⁵ are attached as ring atoms, or a pharmaceutically acceptable salt of said compound.
 12. A compound of general formula 12,

wherein: R⁶ represents hydrogen, lower alkyl, or arylalkyl; X represents aryl; aryl-O—; arylalkyl-; lower alkyl-SO₂NR²—; aryl-SO₂NR²—; arylalkyl-SO₂NR²—; lower alkyl-CONR²—; aryl-CONR²—; arylalkyl-CONR²—; lower alkyl-NR³CONR²—; aryl-NR³CONR²—; arylalkyl-NR³CONR²—; aryl-CO—; arylalkyl-CO—; lower alkyl-NR²CO—; aryl-NR²CO—; or arylalkyl-NR²CO—; Z represents hydrogen; in case X represents aryl or arylalkyl, Z represents hydrogen, or hydroxyl; n represents the number 0 or 1; and R² and R³ represent independently hydrogen, lower alkyl, or arylalkyl, or a pharmaceutically acceptable salt of said compound.
 13. A compound of general formula 13,

wherein: R⁶ represents hydrogen, lower alkyl, or arylalkyl; X represents aryl; aryl-O—; arylalkyl-; lower alkyl-SO₂NR²—; aryl-SO₂NR²—; arylalkyl-SO₂NR²—; lower alkyl-CONR²—; aryl-CONR²—; arylalkyl-CONR²—; lower alkyl-NR³CONR²—; aryl-NR³CONR²—; arylalkyl-NR³CONR²—; aryl-CO—; arylalkyl-CO—; lower alkyl-NR²CO—;aryl-NR²CO—; or arylalkyl-NR²CO—; Y represents —C(R⁴)(R⁵)(CH₂)_(m)— or —(CH₂)_(m)C(R⁴)(R⁵)—; Z represents hydrogen; in case X represents aryl or arylalkyl, Z represents hydrogen, hydroxyl, carboxyl, aryl-CONR²—, lower alkyl-NR²CO—, aryl-NR²CO— or arylalkyl-NR²CO—; n represents the number 0 or 1; m represents the number 1 or 2; R² and R³ represent independently hydrogen, lower alkyl, or arylalkyl; in case R² and R³ are attached to the same nitrogen atom, R² and R³ together form with the nitrogen to which they are attached, a piperidine, pyrrolidine or morpholine ring; R⁴ represents hydrogen, lower alkyl, aryl, arylalkyl, or forms together with R⁵ a 3-, 4-, 5-, or 6-membered saturated carbocyclic ring including the carbon atom to which R⁴ and R⁵ are attached as ring atoms; and R⁵ represents hydrogen, methyl, or forms together with R⁴ a 3-, 4-, 5-, or 6-membered saturated carbocyclic ring including the carbon atom to which R⁴ and R⁵ are attached as ring atoms, or a pharmaceutically acceptable salt of said compound.
 14. A compound of general formula 14,

wherein: R⁶ represents hydrogen, lower alkyl, or arylalkyl; X represents aryl; aryl-O—; arylalkyl-; lower alkyl-SO₂NR²—; aryl-SO₂NR²—; arylalkyl-SO₂NR²—; lower alkyl-CONR²—; aryl-CONR²—; arylalkyl-CONR²—; lower alkyl-NR³CONR²—; aryl-NR³CONR²—; arylalkyl-NR³CONR²—; aryl-CO—; arylalkyl-CO—; lower alkyl-NR²CO—; aryl-NR²CO—; or arylalkyl-NR²CO—; Z represents hydrogen; in case X represents aryl or arylalkyl, Z represents hydrogen, hydroxyl, carboxyl, aryl-CONR²—, lower alkyl-NR²CO—, aryl-NR²CO— or arylalkyl-NR²CO—; n represents the number 0 or 1; and R² and R³ represent independently hydrogen, lower alkyl, or arylalkyl; in case R² and R³ are attached to the same nitrogen atom, R² and R³ together form with the nitrogen to which they are attached, a piperidine, pyrrolidine or morpholine ring, or a pharmaceutically acceptable salt of said compound.
 15. A compound of general formula 15,

wherein R⁶ represents hydrogen, lower alkyl, or arylalkyl, or a pharmaceutically acceptable salt of said compound.
 16. A compound of general formula 16,

wherein R⁶ represents hydrogen, lower alkyl, or arylalkyl, or a pharmaceutically acceptable salt of said compound.
 17. A compound of general formula 17,

wherein R⁶ and R²represent independently hydrogen, lower alkyl, or arylalkyl, or a pharmaceutically acceptable salt of said compound.
 18. A compound of general formula 18,

wherein R⁶ and R² represent independently hydrogen, lower alkyl, or arylalkyl, or a pharmaceutically acceptable salt of said compound.
 19. A compound of general formula 19,

wherein R⁶ and R² represent independently hydrogen, lower alkyl, or arylalkyl; or a pharmaceutically acceptable salt of said compound.
 20. A compound of general formula 20,

wherein R⁶ and R² represent independently hydrogen, lower alkyl, or arylalkyl; or a pharmaceutically acceptable salt of said compound.
 21. The compound according to claim 1 that is selected from the group consisting of N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-4-trifluoromethyl-benzenesulfonamide; N-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; Thiophene-2-sulfonic acid (1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide; p1 3-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; 3,N-Dimethyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; 2-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; 2,N-Dimethyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; 4-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide; 4-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; 4,N-Dimethyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; 2-Fluoro-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; 2-Fluoro-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; 3-Fluoro-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; 4-Fluoro-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; 4-Cyano-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide; 3-Methoxy-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; 3-Methoxy-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; 4-Methoxy-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide; 4-Methoxy-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; 4-Methoxy-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; 3-Chloro-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; 3-Chloro-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; 4-Chloro-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide; 4-Chloro-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; 2-Chloro-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; Biphenyl-4-sulfonic acid methyl-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide; N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-4-propyl-benzenesulfonamide; N-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-4-propyl-benzenesulfonamide; Naphthalene-2-sulfonic acid (1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-amide; Naphthalene-2-sulfonic acid (1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide; Naphthalene-2-sulfonic acid methyl-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide; Naphthalene-1-sulfonic acid (1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-amide; Naphthalene-1-sulfonic acid (1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide; Naphthalene-1-sulfonic acid methyl-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide; Quinoline-8-sulfonic acid (1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide; Quinoline-8-sulfonic acid methyl-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide; 4-tert-Butyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; 4-tert-Butyl-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-4-trifluoromethyl-benzenesulfonamide; N-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-4-trifluoromethyl-benzenesulfonamide; N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-2-trifluoromethyl-benzenesulfonamide; N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-2-trifluoromethyl-benzenesulfonamide; N-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-2-trifluoromethyl-benzenesulfonamide; N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-3-trifluoromethyl-benzenesulfonamide; 3,4-Dichloro-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide; 3,4-Dichloro-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}piperidin-4-yl)-4-pentyl-benzenesulfonamide; N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}pyrrolidin-3-yl)-4-pentyl-benzenesulfonamide; N-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-4-pentyl-benzenesulfonamide; 4-Butoxy-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; 4-Butoxy-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; 4,5-Dichloro-thiophene-2-sulfonic acid (1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-amide; 4,5-Dichloro-thiophene-2-sulfonic acid (1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide; 4,5-Dichloro-thiophene-2-sulfonic acid methyl-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide; 4-(3-Chloro-2-cyano-phenoxy)-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide; 4-(3-Chloro-2-cyano-phenoxy)-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; 4-(3-Chloro-2-cyano-phenoxy)-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; N-[4-Methyl-5-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-ylsulfamoyl)-thiazol-2-yl]-acetamide; 3-Bromo-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide; 3-Bromo-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; 3-Bromo-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; 4-Bromo-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide; 4-Bromo-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; 4-Bromo-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-2-trifluoromethoxy-benzenesulfonamide; N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-4-trifluoromethoxy-benzenesulfonamide; N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}pyrrolidin-3-yl)-4-trifluoromethoxy-benzenesulfonamide; N-Methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-4-trifluoromethoxy-benzenesulfonamide; 5-Dimethylamino-naphthalene-1-sulfonic acid (1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-amide; 5-Dimethylamino-naphthalene-1-sulfonic acid (1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide; 5-Dimethylamino-naphthalene-1-sulfonic acid methyl-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide; 5-Chloro-3-methyl-benzo[b]thiophene-2-sulfonic acid (1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-amide; 5-Chloro-3-methyl-benzo[b]thiophene-2-sulfonic acid (1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide; 5-Chloro-3-methyl-benzo[b]thiophene-2-sulfonic acid methyl-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}pyrrolidin-3-yl)-amide; 4-Bromo-2-ethyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide; 4-Bromo-2-ethyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; 4-Bromo-2-ethyl-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; N-[5-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-ylsulfamoyl)-thiophen-2-ylmethyl]-benzamide; N-[5-(1-{2-[3-(2-Methyl-quinolin(4-yl)-ureido]-ethyl}-pyrrolidin-3-ylsulfamoyl)-thiophen-2-ylmethyl]-benzamide; N-{5-[Methyl-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-sulfamoyl]-thiophen-2-ylmethyl}benzamide; 4-Benzenesulfonyl-thiophene-2-sulfonic acid (1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}piperidin-4-yl)-amide; 4-Benzenesulfonyl-thiophene-2-sulfonic acid (1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide; 4-Benzenesulfonyl-thiophene-2-sulfonic acid methyl-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}pyrrolidin-3-yl)-amide; 2-(2,2,2-Trifluoro-acetyl)-1,2,3,4-tetrahydro-isoquinoline-7-sulfonic acid (1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}piperidin-4-yl)-amide; 2-(2,2,2-Trifluoro-acetyl)-1,2,3,4-tetrahydro-isoquinoline-7-sulfonic acid (1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide 2-(2,2,2-Trifluoro-acetyl)-1,2,3,4-tetrahydro-isoquinoline-7-sulfonic acid methyl-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-amide; 2-Phenyl-ethanesulfonic acid (1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-amide; 4-Chloro-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; 4-Bromo-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide; 1-{2-[4-(3-Biphenyl-2-yl-ureido)-piperidin-1-yl]-ethyl}-3-(2-methyl-quinolin-4-yl)-urea; 1-{2-[3-(3-Biphenyl-2-yl-ureido)-pyrrolidin-1-yl]-ethyl}-3-(2-methyl-quinolin-4-yl)-urea; 1-(2-{4-[3-(2-Isopropyl-phenyl)-ureido]-piperidin-1-yl}ethyl)-3-(2-methyl-quinolin-4-yl)-urea; 1-(2-{4-[3-[3-(2-Isopropyl-phenyl)-ureido]-pyrrolidin-1-yl}-ethyl)-3-(2-methyl-quinolin-4-yl)-urea; 1-(2-Methyl-quinolin-4-yl)-3-(2-{3-[3-(2-phenoxy-phenyl)-ureido]-pyrrolidin-1-yl}-ethyl)-urea; N-(1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-2-naphthalen-1-yl-acetamide; 2-(4-Bromo-phenyl)-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-acetamide; 4-Benzoyl-N-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzamide; 1-(2-Methyl-quinolin-4-yl)-3-[2-(4-phenyl-piperidin-1-yl)-ethyl]-urea; 1-(2-Methyl-quinolin-4-yl)-3-[2-(4-o-tolyl-piperidin-1-yl)-ethyl]-urea; 1-[2-(4-Benzyl-4-hydroxy-piperidin-1-yl)-ethyl]-3-(2-methyl-quinolin-4-yl)-urea; 1-[2-(4-Hydroxy-4-phenyl-piperidin-1-yl)-ethyl]-3-(2-methyl-quinolin-4-yl)-urea; 1-[2-(4-Benzyl-piperidin-1-yl)-ethyl]-3-(2-methyl-quinolin-4-yl)-urea; and 1-[2-(Benzyl-methyl-amino)-pyridin-4-yl]-3-[2-(4-benzyl-piperidin-1-yl)-ethyl]-urea, or a pharmaceutically acceptable salt of said compound.
 22. The compound according to claim 1 that is selected from the group consisting of 4-Bromo-N-ethyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide; 4-Bromo-N-ethyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; 4-Bromo-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-N-propyl-benzenesulfonamide; 4-Bromo-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-N-propyl-benzenesulfonamide; 4-Bromo-N-isobutyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide; 4-Bromo-N-isobutyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; 4-Bromo-N-butyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide; 4-Bromo-N-butyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; N-Benzyl-4-bromo-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide; N-Benzyl-4-bromo-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; 4-Bromo-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-N-phenethyl-benzenesulfonamide; 4-Bromo-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-N-phenethyl-benzenesulfonamide; 4-Bromo-N-methyl-N-((R)-1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}pyrrolidin-3-yl)-benzenesulfonamide; 4-Bromo-N-ethyl-N-((R)-1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; 4-Bromo-N-ethyl-N-((S)-1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; 4-Bromo-N-methyl-N-((S)-1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-pyrrolidin-3-yl)-benzenesulfonamide; N-Ethyl-3-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide; N-Ethyl-4-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide; N-Ethyl-2-methyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide; 3-Chloro-N-ethyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide; 2-Chloro-N-ethyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide; 4-Chloro-N-ethyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide; N-Ethyl-4-fluoro-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide; N-Ethyl-4-methoxy-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide; 3,4-Dichloro-N-ethyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-benzenesulfonamide; N-Ethyl-N-(1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}-piperidin-4-yl)-4-trifluoromethyl-benzenesulfonamide; 1-(2-Methyl-quinolin-4-yl)-3-{2-[4-(3-phenethyl-ureido)-piperidin-1-yl]-ethyl}-urea; 1-[(S)-1-(4-Benzyl-piperidin-1-ylmethyl)-2-methyl-propyl]-3-(2-methyl-quinolin-4-yl)-urea; 1-[(S)-1-Benzyl-2-(4-benzyl-piperidin-1-yl)-ethyl]-3-(2-methyl-quinolin-4-yl)-urea; 1-[(S)-1-(4-Benzyl-piperidin-1-ylmethyl)-3-methyl-butyl]-3-(2-methyl-quinolin-4-yl)-urea; 1-[2-(4-Benzyl-4-hydroxy-piperidin-1-yl)-ethyl]-3-(2-cyclopropyl-quinolin-4-yl)-urea; 1-{2-[4-(3-Methyl-benzyl)-piperidin-1-yl]-ethyl}3-(2-methyl-quinolin-4-yl)-urea; 1-{2-[4-(2-Methyl-benzyl)-piperidin-1-yl]-ethyl}3-(2-methyl-quinolin-4-yl)-urea; 1-{2-[4-(4-Fluoro-benzyl)-piperidin-1-yl]-ethyl}-3-(2-methyl-quinolin-4-yl)-urea; 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}piperidine-4-carboxylic acid benzyl-phenyl-amide; 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}piperidine-4-carboxylic acid (2-chloro-phenyl)-methyl-amide; 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}4-phenyl-piperidine-4-carboxylic acid benzyl-methyl-amide; 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}4-phenyl-piperidine-4-carboxylic acid methyl-phenethyl-amide; 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}4-phenyl-piperidine-4-carboxylic acid benzyl-ethyl-amide; 1-{2-[3-(2-Methyl-quinolin-4-yl)-ureido]-ethyl}4-phenyl-piperidine-4-carboxylic acid dimethylamide; 4-Benzyl-1-{2-[3-(2-methyl-quinolin-4-yl)-ureido]-ethyl}piperidine-4-carboxylic acid benzyl-ethyl-amide; 1-[2-(4-Benzyl-4-hydroxy-piperidin-1-yl)-ethyl]-3-(2-methylamino-pyridin-4-yl)-urea; and 1-[2-(4-Benzyl-piperidin-1-yl)-ethyl]-3-(2-methylamino-pyridin-4-yl)-urea, or a pharmaceutically acceptable salt of said compound.
 23. The compound according to claim 1 being 1-[2-(4-Benzyl-4-hydroxy-piperidin-1-yl)-ethyl]-3-(2-methyl-quinolin-4-yl)-urea, or a pharmaceutically acceptable salt thereof. 